When a current of 4amp passes through a certain resistor for 10 minutes, 2.88 × 104 J of heat are produced. Calculate a) the power of the resistor the voltage across the resistor
ScienceClass 10ICSEAnswered 27 Mar 2026
Answer
Given,
I = 4amp
T = 10min = 600s H = 2.88 × 104 J
- We know that, H = I2RT
28800 = 42×600R
R = 3 ohms We know that, P = I2R
P = 48W
- We know that, V = IR
V = 12V