Rubbing of comb with hair.

(a)

creates electric charge

(b)

transfers electric charge

(c)

either (a) or (b)

(d)

neither (a) nor (b)

Potential near a charge is the measure of its________ to bring a positive charge at that point.

(a)

force

(b)

ability

(c)

tendency

(d)

work

Heating effect of current is called,

(a)

Joule heating

(b)

Coulomb heating

(c)

Voltage heating

(d)

Ampere heating

Electroplating is an example for

(a)

heating effect

(b)

chemical effect

(c)

flowing effect

(d)

magnetic effect

In India the frequency of alternating current is

(a)

220 Hz

(b)

50 Hz

(c)

5 Hz

(d)

100 Hz