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In potentiometer experiment, a cell of emf 1.25V gives balancing length of 30 cm. If the cell is replaced by another cell, then balancing length is found to be 40cm. What is the emf of second cell?
Options
(a) ≈1.5V
(b) ≈1.67V
(c) ≈1.47V
(d) ≈1.37V
Correct Answer:
≈1.67V
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The parallel beams of monochromatic light of wavelength 4.5 x10⁻⁷ m passes through
- The electric potential V at any point (x,y,z) all in meters in space is given by
- Three fourth of the active material decays in a radioactive sample in 3/4 sec
- A steady current of 1.5 amp flows through a copper voltmeter for 10 minutes
- A proton is moving in a uniform magnetic field B in a circular path of radius a
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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