alleryStart learning →The magnetic field inside a long solenoid is given by:
Amu-0 n I
Bmu-0 I / n
Cmu-0 n / I
Dn I / mu-0
Answer & Solution
Correct answer: A. mu-0 n I
For a long solenoid with n turns per unit length, B = mu-0 n I along the axis.
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