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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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- A beam of light contains two wavelengths 6500Å and 5200Å.
- In a circuit, the current lags behind the voltage by a phase difference of π/2.
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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 moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
- A beam of light contains two wavelengths 6500Å and 5200Å.
- In a circuit, the current lags behind the voltage by a phase difference of π/2.
- An ideal coil of 10 H is connected in series with a resistance of 5Ω and a battery
- A body revolved around the sun 27 times faster than the earth. What is the ratio
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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