Current Electricity

Question: 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

1) 1.1 V

2) 1.8 V

3) 2.4 V

4) 1.41 V

Solution:

Explanation: No Explanation

Different Measuring Instruments Potentiometer Meter Bridge

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