Question

Heat energy is being produced in a resistance in a circuit at the rate of 100W.The current of 3A is flowing in the circuit.What must be the value of the resistance?

Answer 1

Answer:

Explanation:

Given that,

Power, $P^{}$ = 100$W^{}$

Current, $I^{}$ = 3$A^{}$

Power,

P = $VI^{}$

P = $I^{2}$ $R^{}$

R =  $\frac{P}{I^{2} }$

So,

R=  $\frac{100}{9}$

R=11.1Ω

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