alleryStart learning →An ideal solenoid has n turns per unit length and current i. Its inside field is:
Amu0 i/n
Bmu0 n/i
Cmu0 n i
Dmu0 n i/2
Answer & Solution
Correct answer: C. mu0 n i
Applying Ampere's law to a rectangular loop gives B l = mu0 n l i, so B = mu0 n i.
Keep practising Magnetic Fields due to Electric Current
Browse all Magnetic Fields due to Electric Current questions for MHT-CET, or explore more Physics topics.
Related questions
The net field of a current-carrying wire at a point is found from the Biot-Savart law usinA solenoid with a core of relative permeability mu_r has its field multiplied by:The field inside an infinitely long solenoid does not depend on its:A solenoid is a helical coil whose length is:Who coined the term solenoid in 1823?Who discovered in 1820 that an electric current produces a magnetic field?Field lines around a long straight current-carrying wire are:The right hand rule for a straight current-carrying wire: the thumb shows the: