Two resistors each of are connected in parallel

PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity

Problem

Two resistors each of

6\,\Omega

are connected in parallel. This parallel combination is in series with a

4\,\Omega

resistor and connected to a

12\,\text{V}

battery of negligible internal resistance. Calculate the total power supplied by the battery. (a)

18\,\text{W}

(b)

24\,\text{W}

(c)

21\,\text{W}

(d)

14.4\,\text{W}