Physics, asked by khirodkumarpand1787, 1 year ago

A 200w bulb is lighted for 2 hours. How much energy it wil consume

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Answered by AkashAmar

0

power of bulb = 220 W

power = energy / time = E / t

Time = 2 hours

Energy = power * time ( in seconds )

= 220 * 2 * 60 * 60

= 220 * 7200 joules

= 1584000 joules or 1584 kilo-joules

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