A. 2 A
B. 3 A
C. 4 A
D. 5 A
Correct Answer:
Option C = 4 A
Explanation
1 KW = 1000 watts, power P = IV, thus for a mains of 250 V, the maximum permissible Current I = 1/V = 1000/250 = 4 A
Thus the fuse rating in the plug should be 4 A
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