Current Electricity Charging Discharging Of Capacitors Question 556

Question: The heat produced by a 100 watt heater in 2 minute will be equal to

[BCECE 2004]

Options:

A) $ 12\times 10^{3},J $

B) $ 10\times 10^{3},J $

C) $ 6\times 10^{3},J $

D) $ 3\times 10^{3},J $

Show Answer

Answer:

Correct Answer: A

Solution:

Energy $ =P\times t=100\times 2\times 60=12000,J=12\times 10^{3}J $