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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 effective length of magnet is 31.4 cm and its pole strength is 0.8Am.
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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 effective length of magnet is 31.4 cm and its pole strength is 0.8Am.
- 64 identical spheres of charge q and capacitance C each are combined to form a large
- A shell of mass 200 g is ejected from a gun of mass 4 kg by an explosion
- If a spring of spring constant k stretched by a length x under tension T, the energy
- The moment of inertia of a thin circular disc about an axis passing through its centre
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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