Questions
A short current carrying solenoid has a magnetic dipole moment M. P is a point on its axial line at a distance d from the north-pole and at a distance 2d from the south-pole. The magnetic induction at P is
detailed solution
Correct option is B
length of the dipole is d and distance of the point from the center is 3d2 field on the axial line =μ04π2Mxx2-l22 here x =3d2 and l =d2Talk to our academic expert!
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A solenoid has length 0.4 cm, radius 1 cm and 400 turns of wire. If a current of 5 A is passed through this solenoid, what is the magnetic field inside the solenoid?
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