A resistor having resistance 6.2O is connected across a battery of 5 V by means of a wire of negotiable resistance. Current passes through resistor is 0.4 A. total power produced by battery is

Question

Ananshi ~ India · Accepted Answer

First calculate R =VÃ·i

Then R=12.5ohm

After this calculate power that is p=(0.4) ^2*12.5=2.0

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A resistor having resistance 6.2O is connected across a battery of 5 V by means of a wire of negotiable resistance. Current passes through resistor is 0.4 A. total power produced by battery is

Answer is "2 W"

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