Physics, asked by sheetsayan76, 4 months ago

How many calories of thermal energy will be generated if the electromotive force of an electric cell is 6 volt and the internal resistance is 2 ohm . and when the electric cell is connected to a resistance of 8 ohm and it flows for 21 seconds ? please answer this question​

Answers

Answered by 2helpinghands
0

Answer:

Total 10 ohms in series .

Voltage = 6V.

Power = VXV/R = 36/10=3.6 watts

Energy = Power X Time .

Time = 21 sec.

Energy in Joules = 21X3.6 = 75.8 Joules = 0.01811663 X 1000 Calories.

= 181.1663 Calories

hope it will be helpful : )

Similar questions