1.

A bulb has a power of 200W. What is the energy dissipated by it in 5 minutes?(a) 60J(b) 1000J(c) 60kJ(d) 1kJ

Answer» Right answer is (c) 60kJ

For explanation: Here, Power = 200w and time = 5min. E=Pt => E= 200*5= 1000Wmin=60000Ws= 60000J= 60kJ.


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