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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
- A body travels 200 cm in the first two seconds and 220 cm in the next 4 secs
- A galvanometer of 50 Ω resistance has 25 divisions. A current of 4×10⁻⁴ A gives
- During production of cathode ray
- If a magnet is suspended at an angle 30⁰ to the magnetic meridian, the dip needle
- In Wheatstone bridge, three resistors P,Q and R are conncected in three arms
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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