A device consumes 100 W of power when connected to a 120 V source. Calculate its resistance.

By: |Published on: Mar 23|Categories: Physics WAEC| 0 comments

A. 1.2 Ω
B. 12,000 Ω
C. 20.0 Ω
D. 144 Ω

Correct Answer:

Option A = 1.2 Ω

Explanation

R = v/I

= 120/100
= 1.2Ω

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