With a potentiometer null point were obtained at 140 cm and 180 cm with cells of emf 1.1 V and one unknown X volts. Unknown emf is [DCE 2002]

With a potentiometer null point were obtained at 140 cm and 180 cm wit

1.	With a potentiometer null point were obtained at 140 cm and 180 cm with cells of emf 1.1 V and one unknown X volts. Unknown emf is [DCE 2002]
A.	1.1 V
B.	1.8 V
C.	0.1
D.	1.41 V
Answer» E.

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With a potentiometer null point were obtained at 140 cm and 180 cm with cells of emf 1.1 V and one unknown X volts. Unknown emf is [DCE 2002]

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