Answer to Question #311059 in Electric Circuits for abdi

Question #311059

A typical incandescent bulb has an efficiency of about 10%. What current is needed for a bulb with a resistance of (1.5×10^2) Ω to output power of 6.0 W?

Expert's answer

Solution;

"P=I^2R"

"6=I^2(1.5\u00d710^2)"

"I^2=0.4"

"I=0.6324A"

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