Single Answer MCQ
Q-00004512
If a current of 5 A flows through a 2 Ω resistor, what power is being dissipated by the resistor?
1
10 W
2
25 W
3
5 W
4
20 W
Answer and Solution
Answer
B. 25 W
Solution:
Power P = I²R = (5 A)² × 2 Ω = 25 W.
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