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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
- In a series resonant LCR circuit, the voltage across R is 100 volts and R =1kΩ
- A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined
- Two coils of self inductance 2 mH and 8 mH are placed so close together
- In the Young’s modulus experiment, if length of wire and radius both are doubled,
- A certain number of spherical dropes of a liquid of radius r coalesce to form a single
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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