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The magnetic field due to a current carrying circular loop of radius 3 cm at a point on the axis at a distance of 4 cm from the centre is 54 μT. What will be its value at the centre of the loop?
Options
(a) 200 μ T
(b) 250 μ T
(c) 125 μ T
(d) 75 μ T
Correct Answer:
250 μ T
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 identical thin plano-convex glass lenses (refractive index 1.5) each having
- A step-up transformer operates on a 230 V line and supplies a current of 2 A.
- The polarising angle of glass is 57⁰. A ray of light which is incident at this angle
- The current gain of a transistor in common base configuration is 0.96.
- If radius of earth’s orbit is made 1/4, the duration of a year will become
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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