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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
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The surface temperature of the sun which has maximum energy
- A particle is kept at rest at the top of a sphere of diameter 42m.When disturbed slightly
- The two ends of a metal rod are maintained at temperatures 100°C and 110°C.
- The half life of radium is about 1600 year. Of 100 gram of radium existing now
- Two circuits have a mutual inductance of 0.1 H. What average e.m.f. is induced
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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