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Two cells when connected in series are balanced on 8m on a potentiometer. If the cells are connected with polarities of one of the cells is reversed, then they balance on 2m. The ratio of emfs of two cells is
Options
(a) (3:4)
(b) (4:3)
(c) (3:5)
(d) (5:3)
Correct Answer:
(5:3)
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
- Two charged particles have charges and masses in the ratio 2:3 and 1:4 respectively.
- A 0.5 kg ball moving with a speed of 12 m/s strikes a hard wall at an angle
- The temperature coefficient of resistance of an alloy used for making resistor is
- If sound wave travel from air to water, which of the following remains unchanged?
- In P-N junction having depletion layer of thickness 10⁻⁶ m, the potential across
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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using the formula El/E2=L1+L2/L1-L2