A resistor converts 415 J of electrical energy to heat in 20 minutes. Calculate the power dissipated in the resistor.
Given
Electrical energy is "W=415 J"
Time "t=20 min =120 seconds"
The power dissipated in the resistor is
"P=\\frac{W}{t}=\\frac{415 J}{120 s}= 3.458 W"
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