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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
- A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
- A carnot engine working between 300 K and 600 K has a work output of 800J per cycle.
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
- When the disc rotates with uniform angulr velocity.Which of the following is not true?
- A body of mass 4 kg is accelerated upon by a constant force travels
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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