A) Core is endless hence there no leakage of flux.
B) Resistance of wire is less hence magnitude of current flow is more
C) Number of turns per unit length is more.
D) Both [a] and [b]
Correct Answer: A
Solution :
Option [a] is correct Explanation: In a toroid, all the magnetic flux is contained in the core material. This is because the core has no ends from which flux might leak off.
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