Current Electricity

Question: An electric heater of resistance 6 ohm is run for 10 minutes on a 120 volt line. The energy liberated in this period of time is

1) $7.2 \times {10^3}\,J$

2) $14.4 \times {10^5}\,J$

3) $43.2 \times {10^4}\,J$

4) $28.8 \times {10^4}J$

Solution:

Explanation: No Explanation

Heating Effect of Current Electric Power

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