An electric bulb rated 100 W, 220 V has resistance MCQ with Answer and Explanation

Question Report Error

An electric bulb rated 100 W, 220 V has resistance

A. 220 Ω

B. 100 Ω

C. 242 Ω

D. 484 Ω

Answer: Option D

Solution (By JKExamLibrary)

R = V²/P = 48400/100 = 484 Ω.

This question belongs to: Science Physics

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