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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: - In adiabatic expansion, product of PV
- The time period of bar magnet is doubled when magnetic field is reduced
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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
- In adiabatic expansion, product of PV
- The time period of bar magnet is doubled when magnetic field is reduced
- The number of beta particles emitted by a radioactive substance is twice the number
- In which case positive work has to be done in seperating them?
- Two particles of masses m₁ m₂ move with initial velocities u₁ and u₂
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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