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Two concentric coils each of radius equal to 2π cm are placed at right angles to each other. If 3A and 4A are the currents flowing through the two coils, respectively. The magnetic induction (in Wb/m²) at the centre of the coils will be
Options
(a) 5×10⁻⁵
(b) 12×10⁻⁵
(c) 7×10⁻⁵
(d) 10⁻⁵
Correct Answer:
5×10⁻⁵
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 bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field
- A force of 10 newton acts on a body of mass 20 kg for 10 seconds. Change in its momentum
- In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
- A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions
- The wavelength λₑ of an electron and λₚ of a photon are of same energy E are related by
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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