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A 2 ohm and a 2/3 ohm resistors are connected in parallel across a 3 volts battery. The energy given out per minute is.

A 2 ohm and a 2/3 ohm resistors are connected in parallel across a 3 volts battery. The energy given out per minute is.

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Grade:10

1 Answers

Rajat
213 Points
2 years ago
Equivalent resistance = (2*2/3)/(2+2/3)= (4/3)/(8/3)= ½ ohm
1minute= 60 seconds
Energy given out per minute= t×(V^2/R)
60×(32/(1/2))=60×9×2=1080J
 

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