In a potentiometer arrangement, a cell of EMF $2 V$ gives a balance point at $40 cm$ length of the wire. If this cell is replaced by another cell and the balance point shifts to $60 cm$ , then the EMF of the second cell is
Options:
Answer:
C
Solution:
$\frac{2}{40} = \frac{V}{60}$

$V = 3 V$

Question

In a potentiometer arrangement, a cell of EMF $2 V$ gives a balance point at $40 cm$ length of the wire. If this cell is replaced by another cell and the balance point shifts to $60 cm$ , then the EMF of the second cell is

Options:

Answer:

C

Solution:

$\frac{2}{40} = \frac{V}{60}$

$V = 3 V$

TestHub · Accepted Answer

2 40 = V 60 V = 3 V

Physics - Current Electricity Question with Solution | TestHub

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