Question

Q8. An electric bulb is rated 220 V and 100 W.

(a) Find its resistance.

(b) Calculate the energy consumed by bulb in a month of 30 days if it is operated on 220 V daily

for 10 hours. Find the cost of energy consumed at the rate of Rs 5/- per unit of electricity.​

Answer 1

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Answer 2

Explanation:

not that sure. Just look at the formula and check it by yourself