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With a potentiometer null point were obt...

With a potentiometer null point were obtained at 140 cm and 180 cm with cells of emf 1.1 V and one unknown `chi` volts. Unknown emf is

A

`1.1 V`

B

`1.8 V`

C

`2.4 V`

D

`1.41V`

Text Solution

Verified by Experts

The correct Answer is:
D
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ERRORLESS -CURRENT ELECTRICITY-Self Evaluation Test -19
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