Two bulbs A and B are rated 100 watt , 120 volt and 10 watt , 120 volt source . Find the current in each bulb and which bulb will consume more energy
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power p = vi
iA = p/v = 100/120 = 5/6 A
iB = 10/120 = 5/60 A
power×time = energy
so bulb A consumes more
iA = p/v = 100/120 = 5/6 A
iB = 10/120 = 5/60 A
power×time = energy
so bulb A consumes more
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