A 0.8 m long solenoid has 800 turns and a field density of `2.52xx10^(-3)` T at its certre .Find the current in the solenoid

A long solenoid has 1000 turns. When a current of 4A flows through it, the magnetic flux linked with each turn of the solenoid is 4xx10^(-3)Wb . The self-inductance of the solenoid is

A long solenoid has 1000 turns. When a current of 4A flows through it, the magnetic flux linked with each turn of the solenoid is 4xx10^(-3)Wb . The self-inductance of the solenoid is

A long solenoid has 1000 turns. When a current of 4A flows through it, the magnetic flux linked with each turn of the solenoid is 4xx10^(-3)Wb . The self-inductance of the solenoid is

A long solenoid of 50 cm length having 100 turns carries a current of 2.5A. The magnetic field at centre of solenoid is:

A closely wound solenoid of 800 turns and area of cross section 2*5xx10^-4m^2 carries a current of 3*0A . Explain the sense in which the solenoid acts like a bar magnet. What is its associated magnetic moment?

A closely wound solenoid of 800 turns and area of cross section 2*5xx10^-4m^2 carries a current of 3*0A . Explain the sense in which the solenoid acts like a bar magnet. What is its associated magnetic moment?

The torque required to hold a small circular coil of 10 turns, area 1mm^(2) and carrying a current of ((21)/(44))A in the middle of a long solenoid of 10 ^(3)"turns"//"m" carrying a current of 2.5A, with its axis perpendicular to the axis of the solenoid is

The magnetic field B inside a long solenoid, carrying a current of 5.00 A, is (3.14 xx 10^-2) T. Find the number of turns per unit length of the solenoid.

The current in an ideal, long solenoid is varied at a uniform rate of 0.02A//s . The solenoid has 1000 turns/m and its radius is 8 cm. (i) Consider a circle of radius 2 cm inside the solenoid with its axis coinciding with the axis of the solenoid. Write the change in the magnetic flux through this circle in 4 s. (ii) Find the electric field induced at a point on the circumference of the circle. (iii) Find the electric field induced at a point outside the solenoid at a distance 9 cm from its axis.

A long solenoid having 200 turns per centimeter carries a current of 1.5 A . At the center of the solenoid is placed a coil of 100 turns of cross-sectional area 3.14 xx 10^(-4) m^(2) having its axis parallel to the field produced by the solenoid. When the direction of current in teh solenoid is reversed within 0.05 s , the induced emf in the coil is