NCERT Class XII Chapter
Current Electricity
Questions With Solutions
© examsnet.com
Question : 12
Total: 24
In a potentiometer arrangement, a cell of emf 1.25 V gives a balance point at 35.0 cm length of the wire. If cell is replaced by another cell and the balance point shifts to 63.0 cm, what is the emf of the second cell?
Solution:
The potential gradient remains the same, as there is no change in the setting of standard circuit
∴
E 2
∴
© examsnet.com
Go to Question: