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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
- A meter stick of mass 400 g is pivoted at one end and displaced through an angle 60°.
- A hemispherical bowl of radius R is rotating about its axis of symmetry
- A series L-C-R circuit contains inductance 5 mH, capacitance 2 μF and resistance
- A particle moving in a straight line covers half the distance with speed of 3 m/s
- A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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