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The resistances of the four arms P,Q,R and S in a Wheatstone’s bridge are 10Ω, 30Ω, 30Ωand 90Ω respectively. The emf and internal resistance of the cell are 7V and 5Ω, respectively. If the galvanometer resistance is 50Ω, then the current drawn from the cell will be
Options
(a) 1.0A
(b) 1.6A
(c) 2.0A
(d) 2.6A
Correct Answer:
1.6A
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Current Electricity
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Tangent galvanometer is used to measure
- The electron of a hydrogen atom revolves round the proton in a circular
- In the relation n=PV/RT, n stands for
- Light of wavelength λᴀ and λᴃ falls on two identical metal plates A and B respectively.
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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