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Consider four circuits shown in the figu...

Consider four circuits shown in the figure below. In which circuit power dissipated is greatest (Neglect the internal resistance of the power supply)?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A

`P = V^(2)/R , R_("min") = R//2`
Hence, option (a) is correct.
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