Question

All resistors in the circuit have the same resistance, , and the battery is having a constant voltage of .
Find out power dissipated by resistor . Given that  the power dissipated by resistor  is :

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A

B

C

D

E

Medium

Solution

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Correct option is D)

The power dissipated by a resistor is
where is the current through the resistor of resistance .
Since both and for the resistors and are equal (they are of equal resistance and connected in series), the power dissipated by both of them is the same and equal to

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