Current Electricity

Question: An electric lamp is marked 60 W, 230 V. The cost of 1 kilowatt hour of power is Rs. 1.25. The cost of using this lamp for 8 hours is

1) Rs. 1.20

2) Rs. 4.00

3) Rs. 0.25

4) Rs. 0.60

Solution:

Explanation: No Explanation

Heating Effect of Current Electric Power

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