A resistor having resistance 6.2Ω is connected across a battery of 5 V using a wire of negotiable resistance. Current passes through the resistor are 0.4 A. The total power produced by the battery is
Options:
A .  2 W
B .  3 W
C .  5 W
D .  6 W
Answer: Option A NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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