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A toroid having 200 turns caries a current of 1 A. The average radius of the toroid is 10 cm. The magnetic field at any point in the open space inside the toroid is
Options
(a) 4×10⁻³ T
(b) zero
(c) 0.5×10⁻³ T
(d) 3×10⁻³ T
Correct Answer:
zero
Explanation:
Magnetic field at any point in the open space inside the toroid is zero, because the amperean loop enclose net current equal zero.
Related Questions: - The near point and far point of a person are 40 cm and 250 cm, respectively.
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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
- The near point and far point of a person are 40 cm and 250 cm, respectively.
- A beam of light consisting of red, green and blue colours is incident on a right
- Pick out the statement ehich is incorrect?
- A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity
- In an ac circuit an alternating voltage e = 200 √2 sin 100 t volts is connected
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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