If a lamp has a resistance of 265 Ω when it operates at 250 W,what current does it carry?
A)1.0 A
B)0.94 A
C)0.97 A
D)1.1 A
E)1.9 A

Name: If a lamp has a resistance of 265 Ω when it operates at 250 W,what current does it carry? A)1.0 A B)0.94 A C)0.97 A D)1.1 A E)1.9 A
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Question

Quizplus · Accepted Answer

To find the current, use the formula P = I^2 * R, where P is power, I is current, and R is resistance. Rearranging gives I = sqrt(P/R). Substituting the given values, I = sqrt(250/265) ≈ 0.97 A.

If a Lamp Has a Resistance of 265 Ω When