A Light Bulb Operating at a Dc Voltage of 120

question 19

Multiple Choice

A light bulb operating at a dc voltage of 120 V has a resistance of 200 Ω.How much power is dissipated in this bulb?

• A)100 W
• B)60 W
• C)72 W
• D)14 mW
• E)7.2 W

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