WAEC - Physics (2004 - No. 38) | ExamPlay

WAEC - Physics (2004 - No. 38)

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

36.0\(\Omega\)

15.0\(\Omega\)

9.0\(\Omega\)

4.0\(\Omega\)

Giải thích

R = \(\frac{v}{I} = \frac{12}{3} = 4\Omega\)

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