A resistor develops 300 J of thermal energy in 15s, when a current of 2A is passed through it. If the current increases to 3A, the energy developed in 10s is_________J.

Question

Accepted Answer

Correct answer: 450. (450) H=i^2Rt 300=2^2 R 15 ⇒R= 30060=5 Now, for i=3A, t=10s, R=5 H=3^2 5 10=450J

$A resistor develops 300 J of thermal energy in 15s, when a current of 2A is passed through it. If the current increases to 3A, the energy developed in 10s is_________J.$

Solution

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