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Mention the factors that maintains the flow of charge through a conductor

Posted by K Preethi Chowdary 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Shivam Rai 5 years, 2 months ago

Potential difference of the energy source say, a battery and the resistance of the wire and other resisters

Gopika Satheesh 5 years, 2 months ago

1) Material e.g. copper has lower resistance than steel. 2) length: longer wires have a greater resistance. 3) thickness: smaller diameter wire have greater resistance. 4) temperatureb: heating a wire increases its resistance. Hope it helps you☺️

ANSWER

Male reproduction system

Posted by Funny Channel 5 years, 2 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Which of the following oxide is most basic? a.) Lithium oxide b.) Sodium oxide c.) Potassium oxide d.) Caesium oxide

Posted by Manasi Mandal 5 years, 2 months ago

CBSE > Class 10 > Science

4 answers

Shivam Rai 5 years, 2 months ago

D

Rimjhim Goyal 5 years, 2 months ago

Option D..may be its wrong becoz its caesium or calcium i am confused

Innocent Boy 5 years, 2 months ago

c

Kanku Rakes 5 years, 2 months ago

Option D is right . The described option d is wrong. There is a mistake. Option D will be magnesium oxide which is right.

ANSWER

What do u mean by dominant rate

Posted by Nandini Patil 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Gaurav Seth 5 years, 2 months ago

Dominant trait: The trait which can express its effect over contrasting trait is called a dominant trait. It is expressed even in the presence of one copy of an allele for a particular character in the gene, i.e., it is expressed in the heterozygous condition.

Example: Yy represents dominant trait for yellow seed colour. Seed is yellow even when single copy is dominant allele Y is present.

ANSWER

Why is there a need of transportation system in multi -cellular organism to carry food and oxygen from one place to another?

Posted by Dhanasree .R 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Shivam Rai 5 years, 2 months ago

because in multicellular organisms the body size is usually complex if the gases and the required substances has to be transferred though diffusion then it to take a long time. For example if the gas is has to be transported through our lungs to the toe than it would take about three years to transfer a molecule of oxygen from our lungs to the toe

Haripal Singh 5 years, 2 months ago

Because in higher organisms diffusion won't help in transportation and the transportation involves movement of metabolic waste,glucose,water,etc. so to work this out there is a need felt for transportation system for their displacement

ANSWER

Explain the potential difference in easy terms. Please

Posted by Anushika Singhal 5 years, 2 months ago

CBSE > Class 10 > Science

5 answers

Vansh Rawat 5 years, 2 months ago

Amount of work done from one point to the other point is called it's potential difference

Md Kamran 5 years, 2 months ago

Work done to move a unit of charge from one point to another. Potential difference is denoteted by V. Its SI unit is volt.

Harsh Janghu 5 years, 2 months ago

Work done to move the charge from one point to another.

Haripal Singh 5 years, 2 months ago

Also if there will be difference in potential then only it will set out potential difference

Haripal Singh 5 years, 2 months ago

It is the amount of work done in moving a charge q from one point to other

ANSWER

What is the common name of the compond caocl2

Posted by Sradha Mishra 5 years, 2 months ago

CBSE > Class 10 > Science

5 answers

Kanku Rakes 5 years, 2 months ago

Bleaching Powder is the correct answer

Prithika Shinie 5 years, 2 months ago

The common name of caocl2 is bleaching powder

Md Kamran 5 years, 2 months ago

Bleaching powder Is right answer

Shreeyansh God 5 years, 2 months ago

Sardha mishra

Reefa Khan 5 years, 2 months ago

Bleaching powder

ANSWER

When will boards happen?

Posted by Ab Bhatt 5 years, 2 months ago

CBSE > Class 10 > Science

4 answers

Innocent Boy 5 years, 2 months ago

in middle march and starting april

Kamlendra Mishra 5 years, 2 months ago

Don't worry about boards just complete syllabus and start revision

Good Student 5 years, 2 months ago

May

Julie Julie 5 years, 2 months ago

February

ANSWER

A green coloured compound X is heated to produce two different gases y and z . The gases y and z are mixed with water to produce acids A1 and A2 respectively. Identify x ,y ,z ,A1 and A2 and write the suitable chemical reactions involved

Posted by Aman Kumar 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Namrata Jindal 5 years, 2 months ago

X - Ferrous Sulphate Heptahydrate Y - SO2 Z - SO3 A1 - Sulphurous acid A2 - Sulphuric acid

ANSWER

What is comical name of water

Posted by Chaitanya Patil 5 years, 2 months ago

CBSE > Class 10 > Science

5 answers

Shivam Rai 5 years, 2 months ago

H2O dihydrogen monoxide or just hydrogen monoxide

Rishi Chandel 5 years, 2 months ago

H20

Kanku Rakes 5 years, 2 months ago

H20

Aman Kumar 5 years, 2 months ago

So many comical names of water exits that we can think... Comical means the things which relates the other word... Ocean,sea,rain, fishing.etc... They relates water...so to they are comicals of water

Prajnasree Behera 5 years, 2 months ago

WATER IUPAC ID Oxidane

ANSWER

Can anyone chapter wise VP Question/ Answer and MCQ

Posted by Subham Gite 5 years, 2 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

Define the term ‘’vol

Posted by Sai Mahesh 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Prajnasree Behera 5 years, 2 months ago

a unit for measuring electrical force वोल्‍ट; विद्युत शक्ति को मापने की इकाई

ANSWER

Why are rainbows always curved

Posted by Ashutosh Ranjan 5 years, 2 months ago

CBSE > Class 10 > Science

5 answers

Harsh Janghu 5 years, 2 months ago

Atmospheric refraction

Tamanna Rathee 5 years, 2 months ago

Due to atmospheric refraction

Aman Kumar 5 years, 2 months ago

atmosphere consists of different levels and different levels has different refractive index. refractive index not found in a horizontal line it is vertically different so rainbow can't exist in a horizontal line does it found and it is seen as curved

Varshini Varshini 5 years, 2 months ago

Due to refractions of colours.

Yogita Ingle 5 years, 2 months ago

A rainbow is the diffraction of sunlight through water droplets in the air. To see a rainbow, you need to be looking at light rain with the sun behind you. The rainbow is curved as it reflects the round shape of the sun. It is a semicircle because only half of your field of vision is the air (the other half is the Earth). If you are in an aeroplane with the sun directly overhead and you look down into a raincloud, you will see the rainbow is a full circle, again reflecting the fact the sun is round.

ANSWER

difference between basiv oxides and acidic oxides

Posted by Harsh Pawar 5 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Aman Kumar 5 years, 2 months ago

As.... Acid+Base= Salt +water Strong Acid + Weak Base = Acidic Salt Weak Acid + Strong Base = Basic Salt

Yogita Ingle 5 years, 2 months ago

Basic oxide:

Metals react with oxygen to give basic compounds of oxygen. These compounds are usually ionic in nature. Group 1, 2 and lanthanides form basic compounds of oxygen when they react with dioxygen. During the formation of these compounds, a large amount of energy is released. These compounds readily react with water except a few exceptions.

Examples: M₂O₃, MO₂, ThO₂

Na₂O + H₂O → 2NaOH

Acidic oxide:

Non-metals react with oxygen to form acidic compounds of oxides which are held together by covalent bonds. These compounds can also be called as acid anhydrides. Acid anhydrides usually have a low melting and boiling point except for compounds like B₂O₃ and SiO₂ which have high melting points and form giant molecules.

Examples: NO, CO₂

SO₃ + H₂O → H₂SO₄

B₂O₃ + H₂O → 2H₃BO₃

Ashutosh Ranjan 5 years, 2 months ago

1. Basic oxide is metalic oxide whereas Acidic oxide is Non metallic oxide 2.Solution of basic oxide changes colour of red litmus to blue whereas solution af acidic oxide changes colour of blue litmus to red.

ANSWER

Newton's 3 law

Posted by Dēvīl ? 5 years, 2 months ago

CBSE > Class 10 > Science

4 answers

Aman Kumar 5 years, 2 months ago

Google kr lo n

Rudraksh Rai Udaiwal 5 years, 2 months ago

It states that every action has an equal and opposite reaction

Arpan Kaur Dhillon 5 years, 2 months ago

Every action has equal and opposite reaction. For example: when we fire using a rifle, our shoulder get a push back by the rifle

Nishtha Yadav 5 years, 2 months ago

Every action has equal and opposite reaction

ANSWER

Ammonia is base but doesn't contain hydroxyl group.why?

Posted by Niharika Singh 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Yogita Ingle 5 years, 2 months ago

Ammonia is a base but doesn’t contain any hydroxyl group because it forms OH- ions when it is added to water.

In water, ammonia forms ammonium hydroxide. While adding water, ammonia ionises for forming the ions of ammonium and hydroxide ions.

In water, ammonia accepts the protons which are provided by dissociation of water. Water in this case which acts as an ‘acid’ and since ammonia accepts these protons, which it acts as a ‘base’.

A . 5 years, 2 months ago

Because it shows its basic nature is observed when dissolved in water. NH3+H2O=NH4OH Here hydroxide ions are formed i.e. responsible for basic nature of NH3.

ANSWER

How does the creation of variations in a species promote survival?

Posted by ಹರ್ಷನಂದ ಹರ್ಷನಂದ 5 years, 2 months ago

CBSE > Class 10 > Science

5 answers

ಹರ್ಷನಂದ ಹರ್ಷನಂದ 5 years, 1 month ago

https://chat.whatsapp.com/Gt8MJfdaS4RBpFaot9KmMb

ಹರ್ಷನಂದ ಹರ್ಷನಂದ 5 years, 2 months ago

ಲೇ ಯೋಗಿತ ಇದ್ಯೋ ಸತ್ತೋಗಿದ್ಯೋ ಯಾಕೆ ಏನು ರಿಪ್ಲೇ ಮಾಡಿಲ್ಲ ಏನ್ ಯೋಚನೆ ಮಾಡ್ದೆ ಅಂತ ಹೇಳೆಲೆ ???????????

ಹರ್ಷನಂದ ಹರ್ಷನಂದ 5 years, 2 months ago

ಏನೇ ಏನು ರೇಪ್ಲಯ್ ಇಲ್ಲ ಯಾಕೆ ??❤️????

ಹರ್ಷನಂದ ಹರ್ಷನಂದ 5 years, 2 months ago

ಧನ್ಯವಾದಗಳು ಯೋಗಿತ ಲವ್ ಯೂ???

Yogita Ingle 5 years, 2 months ago

The variations ensure that the survival of the species as they allow the members of population to adapt to the changing environment and conditions. The species are more suitable to the changed environment . Thus continuity of the species is maintained.

For example, Bacteria variants which can withstand tolerate heat will survive better in a heat wave than variant which cannot heat wave. It proves that creation of variations in a species promote survival.

ANSWER

What is the formula for magnification obtained with a lens?

Posted by Sonakshi Bhardwaj 5 years, 2 months ago

CBSE > Class 10 > Science

5 answers

Yumna Muzaffar 5 years, 2 months ago

M=‐v/u or M=image height/object height

Harsh Janghu 5 years, 2 months ago

M =v/u and M = hi/ho

Rudraksh Rai Udaiwal 5 years, 2 months ago

M=v/u Or M=image hieght/object height

Subham Gite 5 years, 2 months ago

Let us we explain more magnificent formula

Bobby Dubey 5 years, 2 months ago

Let's explore the magnification formula (M= v/u) for lenses and see how to find the image height and its nature (whether it's real or virtual).

ANSWER

Refraction of ly

Posted by Som Rawat 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Chirag Anand 5 years, 2 months ago

The bending nature of light is called refraction of light

ಹರ್ಷನಂದ ಹರ್ಷನಂದ 5 years, 2 months ago

ಏನ್ ಪ್ರಶ್ನೆ ಕೇಳಿದ್ಯಲೇ ????

ANSWER

Why does the cord of an electric heater not glow while heating element does?

Posted by Francis Lalu 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Chirag Anand 5 years, 2 months ago

The cord of an heating element have high melting point and it is also made of an alloy which have high melting point

Bobby Dubey 5 years, 2 months ago

The heating element of the heater is made up of alloy which has very high resistance so when current flows through the heating element, it becomes too hot and glows red. But the resistance of cord which is usually of copper or aluminum is very low so it does not glow.

ANSWER

State Joules law of heating.

Posted by Francis Lalu 5 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Harsh Janghu 5 years, 2 months ago

Acc to this law, heat is directly proportional to the product of square of current, resistance and time.

Yogita Ingle 5 years, 2 months ago

Joule’s law of heating states that, when a current ‘i ' passes through a conductor of resistance ‘r’ for time ‘t’ then the heat developed in the conductor is equal to the product of the square of the current, the resistance and time.

Chirag Anand 5 years, 2 months ago

Joule law of heating says that the heat is directly proportional to the temperature,resistance and the square of the current

ANSWER

Why is tungsten used almost exclusively for the filament of electric lamp?

Posted by Francis Lalu 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Yogita Ingle 5 years, 2 months ago

The melting point and of Tungsten is an alloy which has very high melting point and very high resistivity so does not burn easily at a high temperature.

Bobby Dubey 5 years, 2 months ago

The melting point and of Tungsten is an alloy which has very high melting point and very high resistivity so does not burn easily at a high temperature. ... (e) Copper and aluminum are good conductors of electricity also they have low resistivity. So they are usually used for electricity transmission.

ANSWER

Why are the conductors of electric heating devices such as bread toasters and electric irons made of an alloy rather than metal?

Posted by Francis Lalu 5 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Saroj Kumar 5 years, 2 months ago

Because it doesnot oxidize readily . And it's meting point is 3780 C

Chirag Anand 5 years, 2 months ago

Because the alloy have High melting point and it is made up the mixture of many element such as nichrome it is made if there element nickel,chromium and manganise

Subham Gite 5 years, 2 months ago

The conductor of an heat electric Device to bread toast there are different gaget because the bread toaster have different electric shield

ANSWER

Write a short note on chipko andholan?

Posted by Mohit Garg 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Subham Gite 5 years, 2 months ago

Chipko andolen is a movement the movement in British periodic time movement mean do not cut tree that and when when wood cutter come in tree and cut tree. And when person and hug tree and you want to cut tree and the cut tree with me that was long time of year and

Yogita Ingle 5 years, 2 months ago

Chipko Andolan (‘Hug the Trees Movement’) was launched by the people of Reni in Garhwal in the early 1970s and was spread headed by Sunder Lal Bahuguna. The Chipko Andolan was the result of a grassroot level effort to end the alienation of people from forests. The movement originated from a dispute between the local villages and are logging contractor who had been allowed to fell trees in a forest close to the village. On the specific day the forest contractors workers appeared in the forest to cut the trees while the men folk were absent. The woman of the village reached the forest quickly and clasped the tree trunks with their arms , thus preventing the workers from felling the trees. The forest trees were saved and the contractor had to withdraw.

ANSWER

How does reproduction help in providing stability to population of species ?

Posted by Nilu Jha 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Yogita Ingle 5 years, 2 months ago

Reproduction is a natural process, which helps in providing stability to the population of species by producing new individuals of the same species from existing organisms. Reproduction also maintains the continuity of species and helps in studying evolution.

Reproduction is necessary to provide stability and balance on the planet. Both birth and death are natural events that balance the universe. If anyone of these phenomenon stops occurring, then there would be a great loss in the balance of the universe and the stability to the population of species.

Reproduction is important in order to keep the balance of the universe. Reproduction helps to create variation among the genome and populations. Similar to reproduction, death is also a natural process. if either one of this phenomenon stops occurring, the balance of the universe will be lost. If people just keep dying and new births occur, the planet will be devoid of living organisms soon.

Arun Adhana 5 years, 2 months ago

It hrlps in perpetuity of species over generation to generation by giving rise to new organisms

ANSWER

When ferrus sluphate is heated what is the change of colour

Posted by Gaurav Dangwal 5 years, 2 months ago

CBSE > Class 10 > Science

4 answers

Nisha Sree 5 years, 2 months ago

Green flame

Anirudh Rana 5 years, 2 months ago

Green to white

Yogita Ingle 5 years, 2 months ago

The colour of ferrous sulphate is green. It changes to brown after heating.

On heating: FeSO₄.7H₂O→FeSO₄(s)+7H₂O(g)

The product formed is ferric oxide (Fe2O3). This is a decomposition reaction.

On strong heating: 2FeSO₄(s)→Fe₂O₃(s)+SO₂(g)+SO₃(g

Rohit Sen 5 years, 2 months ago

It gives ferric oxide , sulphur dioxide and sulphur trioxide

ANSWER

write use of caustic soda

Posted by Siddaraju Siddaraju 5 years, 2 months ago

CBSE > Class 10 > Science

3 answers

Hk Hk 5 years, 2 months ago

Nice

Yogita Ingle 5 years, 2 months ago

(1) It is used for making soaps and detergents.
(2) It is used for making artificial textile fibres.
(3) It is used in the manufacture of paper.
(4) It is used in purifying bauxite ore.

Bhaduram Hembra 5 years, 2 months ago

What is your address

ANSWER

A real image 2/3rd of the size of an object is formed by a convex lens when the object is at a distance of 12 cm from it. Find the focal length of the lens.

Posted by Naresh Mahapatra 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Haripal Singh 5 years, 2 months ago

The focal length of the mirror is 7.2 cm

ANSWER

Please give me the revised syllabus of Science in a proper way.

Posted by Swagata Lakshmi Mallik 5 years, 2 months ago

CBSE > Class 10 > Science

0 answers

ANSWER

H9w to derive equations in physics easily?

Posted by Laxmi S.P? 5 years, 2 months ago

CBSE > Class 10 > Science

2 answers

Devansh Yadav 5 years, 2 months ago

By doing practice, Before doing this you are advised to understand derivation completely.

Laxmi S.P? 5 years, 2 months ago

Sry spelling mistakes it's not H9w its How

ANSWER

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