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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
- If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is
- A body of mass 0.5 kg travels in a straight line with velocity v=a x³/², where
- In an LCR circuit, capacitance is changed from C to 2C. For the resonant frequency
- If the focal length of a concave mirror is 50 cm, then where should the object
- Two identical circular coils A and B are kept on a horizontal tube
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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