A current of 2A flows through a 12 V car headlight bulb for 6 minutes. How much energy occur in this time
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Current = 2A
Time = 6 min = 360sec
Voltage = 12v
We have formula
Energy = I²RT
where I is current , R is resistance and T is time taken.
R = Voltage /Current = 12/2= 6 Ohm
Energy = I²RT
Putting values
E = (2)²×6×360
E = 4×6×360
E =8640 joules
Time = 6 min = 360sec
Voltage = 12v
We have formula
Energy = I²RT
where I is current , R is resistance and T is time taken.
R = Voltage /Current = 12/2= 6 Ohm
Energy = I²RT
Putting values
E = (2)²×6×360
E = 4×6×360
E =8640 joules
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