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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.
Related Questions: - Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
- The difference in the variation of resistance with temperature in a metal
- A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)
- If the nucleus ²⁷₁₃Al has nuclear radius of about 3.6 fm
- Zenor breakdown will occur if
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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