If a light bulb is connected to a 120 V outlet and the resistance of the bulb is 30 Ω, what is the current through the circuit? 3600 amps 150 amps 4 amps 0.25 amps

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asked Jun 4, 2019 150k views

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If a light bulb is connected to a 120 V outlet and the resistance of the bulb is 30 Ω, what is the current through the circuit?

3600 amps
150 amps
4 amps
0.25 amps

Physics
high-school

Nikitc asked

by Nikitc

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1 Answer

3 votes

voltage (v) = current (i) × resistance (r)
I = v/r = 120/30 = 4 amps
C) 4 amps

Dieter Gribnitz answered Jun 9, 2019

by Dieter Gribnitz

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