a lamp consumes 500j of electrical energy in 20 seconds.what is the power of the lamp.also find the electrical energy in units if the lamp operates for two hours daily for 15 days
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Power of lamp = 500/20
=25 W
Electrical energy for 2 hrs for 15 days = power ×time
= 25 × 15 ×2
= 750kWh
=25 W
Electrical energy for 2 hrs for 15 days = power ×time
= 25 × 15 ×2
= 750kWh
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