Asked by wisdom Andrew
An electric lamp rated at 48w,12-v supply. Calculate the current flowing in the lamp and the resistance
Answers
Answered by
bobpursley
power=current*voltage
current=power/volts=4amps
Resistance=voltage/current
current=power/volts=4amps
Resistance=voltage/current
Answered by
wisdom Andrew
Since P=48w
And V=12v
And I=?
So therefore
N/B P=IV
48=I*12
Divide both side by 12
48/12 = I 12/12
I = 4ampere
And V=12v
And I=?
So therefore
N/B P=IV
48=I*12
Divide both side by 12
48/12 = I 12/12
I = 4ampere
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