1) Deduce an expression for magnetic field intensity and magnetic flux density because of finite and infinite line.
2) Deduce an expression for magnetic field intensity and magnetic flux density because of circular coil.
3)a) Deduce the expression for force between two current carrying conductors.
b) Iron ring with cross sectional area of 3cm square and mean circumference of 15 cm is wound with 250 turns wire carrying current of 0.3A. Relative permeability of ring is 1500. Compute the flux established in the ring.
4) Deduce an expression for torque developed in rectangular closed circuit carrying current I in a uniform field.
5) Define Ampere’s circuital law and describe applications of Ampere’s Circuital law in detail.