What is the power rating (in W) of a bulb if a current of 0.3 A passes through on application of 240 V of potential difference across its terminals?

What is the power rating (in W) of a bulb if a current of 0.3 A passes

1.	What is the power rating (in W) of a bulb if a current of 0.3 A passes through on application of 240 V of potential difference across its terminals?
A.	800
B.	36
C.	400
D.	72
Answer» E.