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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
- If a body travels half the distance with velocity v1 and the next half with velocity v2
- A cricketer catches a ball of mass 150 g in 0.1 sec moving with speed 20 m/s
- A source of sound of frequency 256 Hz is moving rapidly towards a wall with a velocity
- The voltage of an a.c.supply varies with time (t) as V=120 sin 100 πt the maximum voltage
- Thin uniform rod of length L, cross-sectional area A and density ρ is rotated
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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