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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 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
- A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- A car moves from X to Y with a uniform speed v(u) and returns to Y with a uniform speed
- A particle of masses m is thrown upwards from the surface of the earth, with a velocity u
- A round disc of moment of inertia i₂ about its axis perpendicular to its plane
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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