A 60 W, 120 V lightbulb has a resistance of 12.7 ? when cold (20.0

Question

Question

science physics

Answer 1

Answer #1

Power Consumption when it is turned on

P=V²/R =120²/12.7 =1133.86 Watts

Power Consumption when it is hot

P=120²/162 =88.89 Watts

Answer 2

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