Single Answer MCQ
Q-00019391
A light bulb operates at a power of 60 W. How much current does it draw if it is connected to a 120 V supply?
1
0.25 A
2
0.5 A
3
0.75 A
4
1 A
Answer and Solution
Answer
B. 0.5 A
Solution:
Using P = VI, I = P/V = 60 W / 120 V = 0.5 A.
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