If a current of 0.6A flowing through bulb for 3 minutes and the voltage from the mains is 220V, how much energy is transferred by the bulb?
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Answer:
energy = 2640 joules
Explanation:
power = V×I
= 220 × 0.6
= 132 watt
time in hours = 3/60 hours = 1/20 hr
energy = power / time
= 132 watt / (1/20)hr
= 132×20 joules
= 2640 joules
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