HARD
12th ICSE
IMPORTANT
Earn 100

Obtain an expression for electric potential 'V' at a point in an end-on position i.e, axial position of an electric dipole.

Important Questions on Electric Potential

HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 8
Define electric potential. Prove that at a point in the broad-side-on position of an electric dipole the electric potential is zero.
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 1
Define electric potential. Write its SI unit and give an example in which electric potential is zero, but electric field is not zero and also give an example in which electric potential is non-zero or uniform, but electric field is zero.
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 2
Define equipotential surface. Explain, why electric lines of force are perpendicular to equipotential surface. Why two equipotential surface never intersect?
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 3
Suggest a method to transfer whole charge of a hollow sphere to another hollow sphere comparatively large. Define potential difference. Write its unit and write its value for two points distant apart on an equipotential surface.
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 4
Define electric potential and obtain an expression between intensity of electric field due to a point charge and electric potential. Also show that electric field is gradient of electric potential.
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 5
What do you understand by the term electric potential energy of two point charges distant by a finite distance? Obtain expression for it. What would happen to electric potential energy if distance is reduced between two similar and opposite charges?
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 6
Obtain an expression for work done in rotating an electric dipole in uniform electric field. Write an expression for total electric potential energy of an electric dipole in uniform electric field and suggest its position for stable and most unstable equilibrium state.
MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 1
The amount of work done in bringing a charge of 1.3×10-7 C from infinity to a point in an electric field is 6.5×10-6 J. Find the electric potential at the point.