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Is internal resistance alwqys connected to the higher potential part of the battery?

Posted by Gehma Anand 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Two nuclei have mass no in the ratio 27:125 what is the ratio if their nuclear radii!?

Posted by Sahil Rana 7 years, 11 months ago

CBSE > Class 12 > Physics

3 answers

Pankaj Sihag 7 years, 11 months ago

3:5 beccause R=R0A1/3 and R0 is constant so R1/R2=(A1/A2)1/3

Kiran Bala 7 years, 11 months ago

3:5

Pranjali Mahajan 7 years, 11 months ago

Use that formula r=R°A^1/3

ANSWER

Tesla unit

Posted by Riyazuddin Siddique 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is electrostatic force?

Posted by Anil Kumar 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Anamik Rawat 7 years, 11 months ago

Coulomb force also called electrostatic force

ANSWER

Practical 2018

Posted by Ankit Sharma 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Pranjali Mahajan 7 years, 11 months ago

From Jan 16

ANSWER

Yirnamant

Posted by Vishnu Kuswaha 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Amisha Rohilla 7 years, 11 months ago

What ask a question !!!

ANSWER

What is reverse breakdown?

Posted by Shreya Kumari Soni 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Ankit Gaur 7 years, 11 months ago

The proces of breaking of covalent bond on p-n side and production of charge carriers and minority carriers crosses the junction at a particular reverse voltage.Due to reverse breakdown,reverse current increases abruptly .

ANSWER

Did every one liked the date sheet?

Posted by Sanjana Tyagi 7 years, 11 months ago

CBSE > Class 12 > Physics

6 answers

Kiran Bala 7 years, 11 months ago

Best datesheet ever seen..?

Chinkee Jaatrana 7 years, 11 months ago

No gap blw chem n fine art 13 n then again 14

Rachit Goyal 7 years, 11 months ago

Physics just one day ?

Ankit Gaur 7 years, 11 months ago

See the gap between maths and phy.education its of 18-19 days, total useless

Wangshol Salem 7 years, 11 months ago

Well.. Actually I have mixed feelings about it. Like.. "blimey!!.. Only a day for physics preparation??.... And..." That's what I'm talking about. Many days for bio preparation.... "

Aman Shrivastava 7 years, 11 months ago

No it created a huge problem for a student competing in engineering exams.

ANSWER

Expression for energy stored in a capacitor

Posted by Manisha Chettri 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Rida Khan 7 years, 11 months ago

U=1/2 CV^

ANSWER

What is the best way to do physics???

Posted by Rida Khan 7 years, 11 months ago

CBSE > Class 12 > Physics

2 answers

Sushmita Mishra 7 years, 11 months ago

Solve ncert excersice questions

Aman Shrivastava 7 years, 11 months ago

Understanding the main concepts

ANSWER

In single slit experiment , if width of slit is doubled Size of diffraction band decreases by half, and intensity by 4 times, increase . Explanation??

Posted by Sushmita Mishra 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Rachit Goyal 7 years, 11 months ago

Band width is inversely proprtional to d(width of slit) .`. on doubling d band size halved and intensity is increased on increasing d by square of it .`.on doubling d intensity becomes 4 times

ANSWER

I am very much getting confused with units for quantities and magnification formulas of optical instruments. What to do

Posted by Pranjali Mahajan 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Shivanshu Yadav 7 years, 11 months ago

Simple numerical kro

ANSWER

Why central fringe in diffraction is always bright?

Posted by Kashish Bhardwaj 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Sudhanshu Saumya 7 years, 11 months ago

There is no path difference at that spot. Hence both the light wave strike to get a resultant high intensity at that spot

ANSWER

In an experiment on meter bridge if the balancing length APis ,'x, what would be it's value when the radius of the meter bridge wire is double?

Posted by Mansi Sharma 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is lens formul?

Posted by Royal Boy 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Bhavi Jain 7 years, 11 months ago

1/f =1/v-1/u

ANSWER

Does electric field independent of both test and source charge

Posted by Pankaj Sihag 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Apoorva Asati 7 years, 11 months ago

Yes

ANSWER

A circular coil of 120 turns has a radious of 18 cm and carries a current of 3A what is the magnitude of the magnetic field at a point on the axis of the coil at a distance from the centre equal to the radious of the circular coil

Posted by Jigyasa Tomar 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

When AC circuit with L,C,R in series is brought into resonance the current has large value. If the capacitance of capacitor C is increased will the current in circuit increase or decrease explain with suitable reason?

Posted by Krishna Saindane 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How to draw equipotential surfaces

Posted by Ankush Vasuja 7 years, 11 months ago

CBSE > Class 12 > Physics

3 answers

Sandesh Verma 7 years, 11 months ago

Surface where every points has the same potential difference

Nitin Yaduvanshi 7 years, 11 months ago

Equipotential surface

Sakshi Rai 7 years, 11 months ago

Koi aesi surface jha per her charge ko.lane m equal work kerna pade....yaa fr jha kisi charge ko chalne m kiya gya work 0 ho...

ANSWER

draw the energy level diagram showing the emission of Beta particle followed by Gamma Rays by 60 by 70 Cobalt nucleus plot the distribution of kinetic energy and beta particles and state why the energy spectrum is continuous

Posted by Vaishnavi Kumawat 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

An object is placed 40 cm from a convex kind-of focal length 30 cm . If a concave lens of focal length 20 cm from the convex lens, find the change in the position of the image

Posted by Arati Hajgulkar 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Salman Arora 7 years, 11 months ago

13.4

ANSWER

How emw carry both energy and momentum

Posted by Yasheel Varan 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

An angular magnification of 30x is desired using an objective of focal length 1.25 cm and an eye piece of focal length 5cm.How will you set up the compound microscope for the final image formed at least distance of distinct vision?

Posted by Manoj Pal 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Hy friends mujhe electronic device chapter nhi ata please help

Posted by Shivanshu Yadav 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is power factor

Posted by Shalu Sharma 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Sahil Rana 7 years, 11 months ago

Power factor of an ac is defined as the ratio of true power to apparent power of the circuit .

ANSWER

What is forward bias

Posted by Aman Gupta 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Sahil Rana 7 years, 11 months ago

When p is connected to the +ve terminal and n is connected to the -ve terminal then the pn junction is in forward bias

ANSWER

What is meant by critical angle in case of T.I.R

Posted by Him Anshu 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Sahil Rana 7 years, 11 months ago

Critical angle is defined as the angle of incidence to which the angle of refraction is 90 degree

ANSWER

Two nuclei have mass numbers in the ratio 27:125 .What is the ratio of their nuclear radii?

Posted by Sahil Rana 7 years, 11 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

I have not studied magnetism in school what can I do to confirm this chapter.

Posted by Annapurna Mishra 7 years, 11 months ago

CBSE > Class 12 > Physics

2 answers

Kadambari Dubey 7 years, 11 months ago

U may also use aglasem.com if u have CBSE board

Bhumi Jain 7 years, 11 months ago

Study from Exam fear.com

ANSWER

Sound waves cannot be polarized.why?

Posted by Harsh Sharma 7 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Mayank Soni 7 years, 11 months ago

Because it is of not transverse nature ..it is longitudinal in nature

ANSWER

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