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Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively and resistance 8 Ω each.They are connected in parallel with a cell of emf 4 V and negligible internal resistance. The deflections produced in the T.G’s A and B are 30⁰ and 60⁰ respectively. If A has 2 turns, then B must have
Options
(a) 18 turns
(b) 12 turns
(c) 6 turns
(d) 2 turns
Correct Answer:
12 turns
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The period of oscillation of a mass M suspended from a spring of negligible mass is T
- If A.B=A x B,then the angle between A and B is
- A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
- When a p-n junction is reverse biased, then the current through the junction
- Two bodies of mass 1 kg and 3 kg have positive vectors i + 2j + k and -3i -2j + k
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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