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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
- The force F acting on a particle of mass m is indicated by the force-time graph
- A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
- Aperture of human eye is 0.2 cm. The minimum magnifying power of a visual
- If 20% of a radiactive element decays in 10 days, then amount of original material left
- A milli ammeter of range 10 mA has a coil of resistance 1 ohm
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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