Write formula of the magnetic field at r perpendicular distance for finite current carrying wire.

Write formula for magnetic field at centre of ring.

Dimensional formula of magnetic field is :-

Write formula of electric field and magnetic field due to electric dipole and current carrying loop respectively at bisector point of it.

As shown in the following figure , the magnetic force is acting in the downward direction on the current - carrying wire placed in the magnetic field . What is the direction of the magnetic field ?

What is toroid ? Obtain formula for the magnitude of magnetic field due to current carrying toroid.

Write formula for moving charge q in magnetic field.

Write formula for magnetic field due to a circular current carrying loop having N turns and R radius at a point on the axis of the loop.

State the rule to determine the direction of a (i) magnetic field produced around a straight cocnductor - carrying current, (ii) force experienced by a current - carrying straight conductor placed in a magnetic field which is perpendicular to it , and (iii) current induced in a coil due to its rotation in a magnetic field .

Write equation of magnetic field on axis from centre which have distance equal to radius.for current carrying loop

Whose magnetic field resembles the magnetic field of a current - carrying solenoid ?