Page 1 - Work sheet-1

Class XII

PHYSICS

Chapter-2-Electric potential & capacitance

WORKSHEET-1

1. The SI unit of potential gradient is same as the SI unit of b

a. electric current.
b. electric field intensity.
c. electric potential.
d. electric potential energy.

2. The work done in moving a charge of 3 C between two points is 6 J. The potential c
difference between the points will be

a. 1.2 V.
b. 1.8 V.
c. 2 V.
d. 2.4 V.

3. A bullet of mass 2 g and having a charge of starts from the rest. The potential d
difference through which the bullet must be accelerated, starting from the rest, to acquire a
speed of 10 m/s, is

a. 25 kV.
b. 35 kV.
c. 45 kV.
d. 50 kV.

4. A hollow spherical conductor of radius 1 m has a charge of 2.5 µC then the electric c
potential at a point on its surface is

a. zero.
b.
c.

d.

5. The electric potential is constant in a region so, the electric field c

a. will decrease.
b. will increase.
c. will become zero.
d. will become equal to the electric potential.

6. Two spheres of copper of the same radii, one hollow and other solid, are charged to the d
same potential. The hollow sphere has

a. zero charge whereas the solid sphere has some charge.