Electronics - Ohm's Law - Discussion


The power rating for the resistor in the given circuit should be at least ______.

[A]. 1/4 W
[B]. 1/2 W
[C]. 1 W
[D]. 2 W

Answer: Option D


No answer description available for this question.

Siddarth said: (Dec 13, 2016)  
Use ISquareR formula to solve this problem.

Srujana said: (Sep 26, 2018)  
v=ir(750*2.5=1875) ->micros amps and mega ohms get cancelled.

= 1.40 nearly 2 watts.

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