Questions
In a potentiometer experiment, the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of the balancing length becomes 120 cm. The internal resistance of the cell is
detailed solution
Correct option is B
r=Rl1l2−1 =2 240120−1=2 ΩTalk to our academic expert!
Similar Questions
In the network shown, when switch S is open balancing length AN1 = 60 cm and when the switch S is closed, balancing length AN2 = 50 cm. then the value of r is
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