Pick out the expression for magnetic field inside a toroid from the fo – McqOptions

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1.	Pick out the expression for magnetic field inside a toroid from the following.
A.	B = <sub>0</sub> NI
B.	B = 2 <sub>0</sub> NI
C.	B = ( frac { mu_o}{NI} )
D.	B = ( frac { mu_o N}{I} )
Answer» B. B = 2 <sub>0</sub> NI

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Pick out the expression for magnetic field inside a toroid from the following.