Q124 / 200 · NEET 2007 · Physics

The total power dissipated in watt in the circuit shown here is:

A
40
Correct answer
B
54
C
4
D
16

Solution

Total power dissipated $=\frac{V^2}{R}$

Power $=\frac{18 \times 18}{6}=54 \mathrm{~W}$

Hence, the correct answer is option: 'B'.

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