the resistance of an electric lamp filament is 230 ohms .the lamps is switched on when the line voltage is 115volts.what is the current I'm the lamp circuit
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Answered by
34
I=V/R
=> I = 115/230
=1/2
=0.5A
=> I = 115/230
=1/2
=0.5A
Answered by
22
Heya.
By ohm's law, V = IR
V = 115volts
R = 230ohms
115 = I × 230
115/230 = 0.5A = I
The current is 0.5 ampere
By ohm's law, V = IR
V = 115volts
R = 230ohms
115 = I × 230
115/230 = 0.5A = I
The current is 0.5 ampere
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