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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 carnot’s engine operates with source at 127° C and sink at 27°C
- During mean life of a radioactive element, the fraction that disintegrates is
- If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
- The fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal
- In an AC circuit the potential differences across an inductance and resistance joined
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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