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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
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Identify the pair whose dimensions are equal
- A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
- A particle of mass 1mg has the same wavelength as an electron moving with a velocity
- The de-Broglie wavelength of an electron moving with a velocity 1.5×10⁸ ms⁻¹ is equal
- A particle moves along a circle of radius 20/π m with constant tangential acceleration
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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