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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 flux linked with a circuit is given by φ=t³+3t-7. The graph between time
- Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
- A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field
- Alternating current cannot be measured by D.C Ammeter because
- The device can act as a complete electronic circuit is
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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