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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
- Three resistances P,Q,R each of 2Ω and an unknown resistances S form the four arms
- Calculate power output of ₉₂²³⁵U reactor, if it takes 30 days to use up 2 kg of fuel,
- Two tuning forks are sounded together and produce 2 beats per second.
- A marble block of mass 2 kg lying on ice when given a velocity of 6 m/s is stopped
- The device can act as a complete electronic circuit is
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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