Verified Solution • 2025–26 Session moderate

QAIPM-2012-Ph-1672: NEET 2012 Physics - Class 12 AIPM-2012-Ph-1672 Solution: The power dissipated in the circuit shown in the figure is 30…

The power dissipated in the circuit shown in the figure is 30 watts. The value of R is

20\Omega

15\Omega

10\Omega

30\Omega

Multiple Choice Options

A 20 $\Omega$ �
B 15 $\Omega$ �
C 10 $\Omega$ �
D 30 $\Omega$ �

Step-by-Step Verified Solution

The power dissipated in the circuit P = V 2 R e q ...(i) v = 10 volt 1 R e q = 1 R + 1 5 = 5 + R 5 R R e q = ( 5 R 5 + R ) P = 30 W Substituting the values in equation (i) 30 = ( 10 ) 2 ( 5 R 5 + R ) 15 R 5 + R = 10 15R = 50 + 10R 5R = 50 R = 10 �

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