A rectangular loop of wire ABCD is kept close to an infitely long wire carrying a current `I(t)=I_0(1-t/T)` for `0 le t le T` and `I(0)=0` for `t >T` (Fig. EP 6.26). Find the total charge passing through a given point in the loop, in time T. The resistance of the loop is it

A rectangular loop of wire of size 4 cm xx 10 cm carries a steady current of 2A. A straight long wire carrying 5A current is kept near the loop If the loop and the wire are coplanar, find (i) the torque acting on the loop and (ii) the magnitude and direction of the force on the loop due to the current carrying wire(fig).

Consider an infinitely long wire carrying a current 'I', with (dI)/(dt)=lambda=constant . Find the current produced in the rectangular loop of wire ABCD if its resistance is R (Fig. EP 6.25)

The magnetic field at a distance r from a long wire carryimg current I is 0.4 T. The magnetic field at a distance 2r is

Find the equation of the straight lines passing through the following pair of point: (a t_1, a//t_1) and (a t_2, a//t_2)

A 3.0 cm wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27 T. What is the magnetic force on the wire?

A uniform magnetic field of 1.5 T exists in a cylindrical region of radius10.0 cm, its direction parallel to the axis along east to west. A wire carrying current of 7.0 A in the north to south direction passes through this region. What is the magnitude and direction of the force on the wire if, the wire intersects the axis.

A circular loop of area 0.01 m^(2) carrying a current of 10 A, is held perpendicular to a magnetic field of intensity 0.1 T. The torque acting on the loop is

If 5a+5b+20 c=t , then find the value of t for which the line a x+b y+c-1=0 always passes through a fixed point.

The magnetic flux through a coil perpendicular to its plane and directed into paper is varying according to the relation phi = (5 t^(2) + 10 t + 5) milliweber. Calculate the e.m.f. induced in the loop at t = 2s, if the resistance of the coil is 5 ohm.

The instantaneous current from an a.c. source is i=0.5 sin 314 t. what is the frequency of the current?