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12th ICSE
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The electric potential is zero at a point in an electric field. Will the electric field be necessarily zero at that point?

Important Questions on Electric Potential

HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 13
If the electric field intensity is zero at a point, will the electric potential be necessarily zero at that point?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 14
The potentials of two points A and B are respectively +V and -V volt. If the distance between them be r metre, then calculate average electric field between A and B.
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 14
The potentials of two points A and B are respectively +V and -V volt. If the distance between them be r metre, then calculate change in potential energy in moving q coulomb of charge from point A to B.
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 15
Electric lines of force are always normal to an equipotential surface in an electric field E→. Why?
EASY
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 16
Why is the electric field at the outer surface of a hollow charged conductor is normal to the surface?
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 17
An electron starts from rest in an electric field and acquires a speed ν in reaching a point. If V be the PD between the starting point and the reaching point, then prove that ν α V .
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12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 18
An α-Particle and a proton are accelerated through the same potential difference. Find the ratio of velocities and linear momenta acquired by them.
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 19
Three point charges - q, + q and - q are placed along a straight line at equal distances (say r metre). Calculate the electric potential energy of this system of charges, when + q charge is in the middle.