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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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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Perfectly black body radiates the energy 18 J/s at 300K. Another ordinary body of e=0.8
- A bar magnet with magnetic moment 2.5×10³ JT⁻¹ is rotating in horizontal plane
- The equiconvex lens has focal length f. If it is cut perpendicular to the principal
- Energy bands in solids are a consequence of
- A particle under the action of a constant force moves from rest upto 20 seconds
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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