An equipment whose power is 1500W and resistanc... - JAMB Physics 1991 Question
An equipment whose power is 1500W and resistance is 375 ohms would draw a current of
A
0.10A
B
2.00A
C
4.00A
D
77.5A
correct option: b
P = I2R \(\Rightarrow\) I = \(\sqrt\frac{P}{R}\)
I = \(\sqrt\frac{1500}{375}\)
= 2A
I = \(\sqrt\frac{1500}{375}\)
= 2A
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