HARD
12th ICSE
IMPORTANT
Earn 100

Define potential difference between two points in an electric field. Derive the relation between electric field and potential difference.

Important Questions on Electric Potential

MEDIUM
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 3
What is an equipotential surface? Draw the same for a point charge. Show that electric field is always directed perpendicular to an equipotential surface.
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 4
What do you mean by the potential energy of a system of charges? Derive energy expression for two point charges separated by a distance. Generalise the result for a system of n point charges.
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 5
Derive an expression for the total work done in rotating an electric dipole through an angle θ in a uniform electric field.
HARD
12th ICSE
IMPORTANT
NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 7
Obtain an expression for electric potential 'V' at a point in an end-on position i.e, axial position of an electric dipole.
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 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 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?