Physics WAEC

A car fuse marked 3A operates optimally on a 12V battery, calculate the resistance of the fuse.

A. 36.0Ω
B. 15.0Ω
C. 9.0Ω
D. 4.0Ω

Correct Answer: Option D

D. 4.0Ω

Explanation

R = v/I=12/3=4Ω

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