Electromagnetism - SS2 Physics Past Questions and Answers - page 1

The force experienced by a positive charge placed at that point..

The potential energy of a positive charge placed at that point.

The work done by a positive charge to reach that point.

The electric potential at that point

Volt (V)

Ampere (A)

Newton (N)

Coulomb (C)

Are directed inward towards the charge.

Are directed outward away from the charge.

Are perpendicular to the charge.

Are parallel to the charge.

The amount of charge stored in a capacitor.

The work done by an external agent to bring a unit positive charge from infinity to a point.

The force experienced by a positive charge in an electric field.

The ratio of the electric field to the electric potential energy.

The distance from the point to a reference point.

The magnitude of the electric field at the point.

The charge of a test charge placed at the point.

All of the above.

Equipotential lines.

Electric field lines.

Conductor surfaces.

None of the above.

E = kq/r2

E = V/d

V = kq/r

V = Ed

PE = mgh

PE = 1/2 kx2

PE = qV

PE = Fd

Zero

Positive

Negative

Cannot be determined

Constant throughout the sphere.

Zero throughout the sphere.

Maximum at the centre and decreases towards the surface.

Maximum at the surface and decreases towards the centre.