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A tangent galvanometer has a coil of 50 turns and a radius of 20 cm. The horizontal component of earth’s magnetic field is Bʜ=3×10⁻⁵ T. What will be the current which gives a deflection of 45⁰?
Options
(a) 0.39 A
(b) 0.29 A
(c) 0.19 A
(d) 0.09 A
Correct Answer:
0.19 A
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In an NPN transistor the collector current is 24 mA. If 80% of the electrons
- Which series of hydrogen spectrum corresponds to ultraviolet region?
- Which of the following phenomena support the wave theory of light?
- At a metro station, a girl walks up a stationary escalator in time t₁
- In which of the following heat loss is primarily not due to convection?
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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