Power — Easy JEE physics MCQ
A 10 Ω resistor carries a current of 2 A. The power dissipated in the resistor is:
- A. 20 W
- B. 40 W
- C. 80 W
- D. 100 W
Solution
Using P = I²R = (2)² × 10 = 40 W.
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A 10 Ω resistor carries a current of 2 A. The power dissipated in the resistor is:
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