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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 bullet is shot from a riffle. As a result the rifle recoils.The kinetic energy of riffle
- Characteristic X-rays are produced due to
- The refractive index of water, glass and diamond are 1.33, 1.50, 2.40 respectively
- A light whose frequency is equal to 6.0 x 10¹⁴ Hz is incident on a metal
- In potentiometer experiment, a cell of emf 1.25V gives balancing length of 30 cm
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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