An electric iron rated 250 V has a coil of resistance 125...
An electric iron rated 250 V has a coil of resistance 125Ω. What is the cost of using it for I hour at 10k per kWh?
1.25k
2.50k
5.00k
10.00k
20.00k
Correct answer is C
No explanation has been provided for this answer.
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