A working electric motor takes a current of 1.5 A when the p.d across it is 250V. If its efficiency is 80%, the power output is
a
300.0W
b
469.0W
c
133.0W
d
4.8W
Explanation
Correct Option
aVideo Explanation
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A working electric motor takes a current of 1.5 A when the p.d across it is 250V. If its efficiency is 80%, the power output is
300.0W
469.0W
133.0W
4.8W
