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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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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A man throws balls with the same speed vertically upwards one after the other
- The angle of incidence at which reflected light is totally polarised for refraction
- Three fourth of the active material decays in a radioactive sample in 3/4 sec
- A p-n photodiode is made of a material with a band gap of 2.0 eV
- A boy whirls a stone in a horizontal circle of radius 1.5 m and at height 2.0 m
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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