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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
- Two wheels having radii in the ratio 1:3 are connected by a common belt
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
- Identify the wrong statement with reference to solar cell
- When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy
- The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
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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