WATT-HOUR IS THE UNIT OF POWER. OF THESE STATEMENTS

4. Watt-hour is the unit of power.

Of these statements:

(a) 1, 2 and 3 are correct

(b) 2, 3 and 4 correct

(c) 1, 3 and 4 are correct

(d) 1, 2 and 4 are correct

IAS-2. Ans. (a)