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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 cyclotron, for a given magnet, radius of the semicircle traced by positive ion
- Which of the following particles will have minimum frequency of revolution
- Three objects coloured black, gray and white can withstand hostile conditions upto 2800⁰C.
- Two identical flutes produce fundamental notes of frequency 300 Hz at 27° C
- To obtain a p-type semiconductor, germanium must be doped with
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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