AIIMS2012Physics-Magnetism
AIIMS 2012 Physics Toroids MCQ Question
Type: MCQ-conceptual-Medium-Class 12
A toroid with mean radius r₀ diameter 2a have N turns carrying current I. What is the magnetic field B inside the toroid?
A
NI/2πr₀
B
NI/2π(r₀ + a)
C
NI/π(r₀ + a)
D
zero
Correct Answer
Option D
Detailed Explanation
The magnetic field at any point inside the toroid is zero.
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