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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
- Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m
- A ray enters a glass sphere of refractive index μ=√3 at an angle of incidence of 60⁰
- Photons with energy 5eV are incident on a cathode C in a photoelectric cell.
- A DC ammeter has resistance 0.1Ω and its current ranges 0-100A. If the range
- A rocket with a lift-off mass 3.5 x 10⁴ kg is blasted upwards with an initial acceleration
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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