Question

(a) Name a device which helps to maintain potential difference across a conductor (say, a bulb).
(b) If a potential difference of 10V causes a current of 2A to flow for 1 minute, how much energy is transferred?

Answer 1

Answer:

(a) A cell or a battery helps to maintain potentisl difference across the ends of a conductor like a bulb.

(b) The energy transferred is 1200J.

Step-by-step explanation:

Answer 2

Answer:

a) cell or battery

b) 1200J