kenzie524 kenzie524

25-08-2015
Physics

contestada

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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Respuesta :

25-08-2015

Resistance = potential difference (voltage) / current

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

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