Q.

If power dissipated in the 9 Ω resistor in the circuit shown is 36 watt, the potential difference across the 2 Ω resistor, is :

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a

4 volt

b

8 volt

c

10 volt

d

2 volt

answer is C.

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Detailed Solution

Given circuits can be reduced to P1=321=9 W P2=321/2=18 W P3=322=4.5 W
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If power dissipated in the 9 Ω resistor in the circuit shown is 36 watt, the potential difference across the 2 Ω resistor, is :