A resistor develops 500J of thermal energy in 20s when a current of 1.5A is passed through it. If the current is increased from 1.5A to 3A, what will be the energy developed in 20s.
A
500J
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B
1000J
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C
2000J
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D
1500J
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Solution
The correct option is C2000J Thermal energy developed is given as: H=I2Rt Time and resistor both are same, only current is changed.