The magnetic field B with in the solenoid having n turns per metre len – McqOptions

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1.	The magnetic field B with in the solenoid having n turns per metre length and carrying a current of i ampere is given by [MP PET 1993]
A.	\[\frac{{{\mu }_{0}}ni}{e}\]
B.	\[{{\mu }_{0}}ni\]
C.	\[4\pi {{\mu }_{0}}ni\]
D.	ni
Answer» C. \[4\pi {{\mu }_{0}}ni\]

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