A lamp is rated 240V 60W, calculate the resistance of its filament.

by | May 22 | Physics WAEC | 0 comments

A. 240Ω
B. 360Ω
C. 960Ω
D. 1440Ω

Correct Answer: Option C

C. 960Ω

Explanation

R = V²/P=240²/60

=960Ω

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