Question

in a house individual power of two elements are 100 watt and 150 watt effective power of the their series combination will be

Answer 1

P1 = 100 Watts

P2 = 150 Watts

As it is a series circuit, 1/P = 1/P1 + 1/P2 = 1/100 + 1/150

1/P = (3 + 2)/300 = 5 /300 = 1/60

Hence, P in series is equal to 60 Watts

Answer 2

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Explanation: