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An incandescent lamp is operated at 120 V, and the current is 0.5 A. So, the resistance of the lamp is:
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4 votes
An incandescent lamp is operated at 120 V, and the current is 0.5 A. So, the resistance of the lamp is:

User RCT
by
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1 Answer

4 votes

Resistance = potential difference (voltage) / current

Resistance = (120 V) / (0.5 A) = 240 ohms

User Slava Chernyak
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