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In a potentiometer experiment, the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of 2Ω , the balancing becomes 120 cm. The internal resistance of the cell is
Options
(a) 1Ω
(b) 0.5Ω
(c) 4Ω
(d) 2Ω
Correct Answer:
2Ω
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
- The process of adding impurities to the pure semiconductor is called
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
- A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
- An electron of mass m and a photon have same energy E. The ratio of de-Broglie
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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