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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
- Potential at a point x-distance from the centre inside the conducting sphere
- If temperature of gas increases from 27°C to 927°C, the kinetic energy will be
- If α (current gain) of transistor is 0.98, then what is the value of β
- A nucleus of uranium decays at rest into nuclei of thrrium and helium. Then
- The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
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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