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If a circuit has a power of 50 W with a current of 4.5 A, what is the resistance in the circuit?

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asked Nov 6, 2023 2.9k views

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If a circuit has a power of 50 W with a current of 4.5 A, what is the resistance in the circuit?

Physics
high-school

Eepp asked

by Eepp

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Answer:

${ \rm{power, \: p = current * p.d}} \\ { \rm{50 = 4.5 * (current * resistance)}} \\ { \rm{50 = 4.5 * (4.5 * r)}} \\ { \rm{resistance = \frac{50}{ {4.5}^(2) } }} \\ \\ { \rm{resistance = 2.5 \: ohms}}$

Salvin answered Nov 10, 2023

by Salvin

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If a circuit has a power of 50 W with a current of 4.5 A, what is the resistance in the circuit?

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