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In which condition e.mf is less than terminal potential difference

Posted by Shivam Pandit 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Manish Jaat 7 years, 3 months ago

May be in case of closed circuit

ANSWER

Numericals on potential energy

Posted by Joel Shristi 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Tamoghna Roy 7 years, 3 months ago

U will find it in ur book

ANSWER

Why electric field inside a conductor is 0 why

Posted by Shivam Pandit 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Nandan Sharma 7 years, 3 months ago

Free charge inside the conductor is zeroso due to uniform electric charge electric field is 0

ANSWER

How many electrons would have to be removed from a copper penny to leave it with a positive charge of 10^-7C

Posted by Komal Sharma 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Manmeet Marwaha 7 years, 3 months ago

Use formula Q=ne where e=1.6×10^-19 Q=10^-7

ANSWER

How marks in numerical in compartment

Posted by Anamika Rani 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 3 months ago

Only 18 marks

Rahul Chauhan 7 years, 3 months ago

23%

ANSWER

What is fringring in paralle plates capacitor..?

Posted by H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 3 months ago

**parallel plates capacitor

ANSWER

Important question in the unit of magnetism ?

Posted by Chumki Papay 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 3 months ago

What is magnetism and factor affecting..

ANSWER

Name any two alloy used for making heating element

Posted by Arnav Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Neeraj Chauhan 7 years, 3 months ago

Nichrome and manganin

ANSWER

How do pass in comp paper

Posted by Charanpreet Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What happen if we place a dielectric in a strong electric field?

Posted by Ravi Kumar 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 3 months ago

It will breakdown

Neeraj Chauhan 7 years, 3 months ago

It gets polarized but oppsite to the direction of external electric field

ANSWER

Tube length of microscope

Posted by Nandan Sharma 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Draw an equipotential surface of a uniform electrostatic field along x-axis

Posted by Manish Yadav 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 3 months ago

Eps will be in yz plane with uniform gap b/w two eps

ANSWER

how to cover the syllabus. it seems impossible.

Posted by Ayush Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

3 answers

Tannya Pande 7 years, 3 months ago

And yes of course have faith in God.☺??

Tannya Pande 7 years, 3 months ago

Nothing is impossible just keep calm & do studies with cool mind .????☺??

Manmeet Marwaha 7 years, 3 months ago

Go to temple daily

ANSWER

Which book is best NCERT OR sl or other references

Posted by Sandeep Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

3 answers

H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 3 months ago

Sl is awesome

Tamoghna Roy 7 years, 3 months ago

BEST BOOK BESIDES NCERT - Dinesh New Millennium Physics

Tannya Pande 7 years, 3 months ago

Ncert is must but for numericals SL Aurora is best.??

ANSWER

Fomula of electric flux

Posted by Aryan Yadav 7 years, 3 months ago

CBSE > Class 12 > Physics

6 answers

Manish Jaat 7 years, 3 months ago

Electric flux =EScos(angle) Acc. to Gauss's theorem Total electric flux= enclosing charge/ permittivity of free space

Manmeet Marwaha 7 years, 3 months ago

Electric flux = charge enclosed in surface/€o

Chumki Papay 7 years, 3 months ago

E.F= electric field ×area in vector quantity.

Sandeep Singh 7 years, 3 months ago

Bro devraaj that is gauss theo

Brijraj Yadav 7 years, 3 months ago

Flux=Electric field×surface area

Devraj Pahariya 7 years, 3 months ago

Flux=total charge in closed surface ÷ permitivity of free space

ANSWER

Using gauss law,prove that the electric field at a point due to a uniformly charge infinite plane sheet is independent from the distance from it

Posted by Riya Haobijam 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

Tamoghna Roy 7 years, 3 months ago

Pls don't solve problems that r not present in the NCERT Textbook

Rahul Chauhan 7 years, 3 months ago

Plz try to solve concept of ncert only

ANSWER

A block of mass m containing a net positive charge q is placed on a smooth horizontal table which terminates in a vertical wall . The distance of the block from the wall is d . A horizontal electric field E towards right is swiched on . Assuming elastic collitions (if any) , find time period of the resulting osillatory motion . Is it a SHM.

Posted by Akash Katyayan 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Write the two application of semiconductors

Posted by Rahul Kumar 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How to fill compartement form of 12 And form fill up site

Posted by Adarsh Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is electric flux .

Posted by Kanisk Kumar 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

Chumki Papay 7 years, 3 months ago

The total effect of electric field is called electric flux. It is total number of electric line over a surface.

Niharika Srivastav 7 years, 3 months ago

Total no. of electric field line that passes through the surface is electric flux.

ANSWER

Long

Posted by Kuldeep Saithiya 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

Tamoghna Roy 7 years, 3 months ago

Long means lengthy, lingering, extended, high etc. Is it what u wanted? Don't u know what is long???

Tannya Pande 7 years, 3 months ago

What ??????

ANSWER

Two point charges 4 µC and 1 µC are separated by a distance of 2 m in air. Find the point on the line joining charges at which the net electric field of the system is zero.

Posted by Yatharv Mishra 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

No two electric lines of force can intersect each other . why? ???

Posted by Tannya Pande 7 years, 3 months ago

CBSE > Class 12 > Physics

3 answers

Tamoghna Roy 7 years, 3 months ago

There will be two directions in a single place, which is not possible

Niharika Srivastav 7 years, 3 months ago

Bcz intersection will give two opp. electric field which is impossible.

Pawan Upadhyay 7 years, 3 months ago

Because if they do so then at that point there will be two direactions of ef or force which cant be possible

ANSWER

Numericals in physics

Posted by Nikita Saini 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

Tamoghna Roy 7 years, 3 months ago

Then what do u want???

~Pragya~ ~Kumari~ 7 years, 3 months ago

Haan to Kya chahihe

ANSWER

Name thw foctor on which cofficent of friction depends

Posted by Yash Paul 7 years, 3 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

A small metal sphere carrying charge +Q is located at the centre of a spherical cavity inside a large uncharged metallic spherical shell as shown in the fig.Use gauss law to find the expressions for the electric field at points P1 and P2.

Posted by Sneha Shruti 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Navdeep Singh 7 years, 3 months ago

The answer is 0 might be ?

ANSWER

According to electric force of lines ,they csnnot pass inside a conductor But according to drift velocity ,untill electric force of lines can pass inside conductor electtons cannot drifted with drift velocity Explain why

Posted by Shivam Pandit 7 years, 3 months ago

CBSE > Class 12 > Physics

4 answers

Tamoghna Roy 7 years, 3 months ago

Refer Ncert book

Princesses Kaur 7 years, 3 months ago

If this is waste of time then delete this app? ??

Princesses Kaur 7 years, 3 months ago

If it is easy quest then explain its ans

Devraj Pahariya 7 years, 3 months ago

Please don't waste my time , ask only hard question

ANSWER

During lightning,it is safest to in a car rather than near a tree why?

Posted by Vaishnavi Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

Mehul Agrawal 7 years, 3 months ago

It is safest in car because electric shielding will take place .if lightining strikes the car the charge will be on only on the surface of the car which will be transfered to earth after some time .whereas tree has chance of catching fire .

Brijraj Yadav 7 years, 3 months ago

Because electric field inside metals is 0.

ANSWER

Why we should always take the direction of current is from positive terminal

Posted by Shivam Pandit 7 years, 3 months ago

CBSE > Class 12 > Physics

2 answers

Aashita Sharma 7 years, 3 months ago

Acc to Benjamin Franklin

Divyansh Yadav 7 years, 3 months ago

According to sign convention

ANSWER

Who was the father of Physics?

Posted by Sumit Kumar 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Divyansh Yadav 7 years, 3 months ago

Newton

ANSWER

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