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Vitek1552 [10]
4 years ago
7

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

Physics
1 answer:
earnstyle [38]4 years ago
3 0
*\\From\ Ohm's\ Law:\\\\
Current=\frac{Voltage}{Resitance}\\\\
Current*Resistance=Voltage\\\\
Resistance=\frac{Voltage}{Current}\\\\
Resistance=\frac{120V}{0,5A}\\\\
Resistance=240\ Ohms
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