A conducting rod `PQ` of length `l = 2m` is moving at a speed of `2m s^(-1)` making an angle of `30^(@)` with its length. A uniform magnetic field `B = 2T` exists in a direction perpendicular to the plane of motin. Then

A conducitng rod AB of length l = 1 m moving at a velcity v = 4 m//s making an angle 30^(@) with its length. A uniform magnetic field B = 2T exists in a direction perpendicular to the plane of motion. Then :

A thin conducting rod of length l=5m is moved such that its end B moves along the X-axis while end A moves along the Y-axis A uniform magnetic field B=6hat(k) T exists

A conducting rod PQ of length L = 1.0 m is moving with a uniform speed v = 2.0 m s^(-1) in a uniform magnetic field B = 4.0 T directed into the plane of the paper. A capacitor of capacity C = 10muF is connected as shown in , then

In the figure there are two identical conducting rods each of length a rotating with angular speed omega is the direction shown.One end of each rod touches a conducting ring.Magnetic field B exists perpendicular to the plane of the rings.The rods the conducting rings and the lead wires and resistanceless.Find the magnitude and direction of current in the resistance R .

A straight conductor of length 4 m moves at a speed of 10 m/s when the conductor makes an angle of 30^(@) with the direction of magnetic induction 0.1 T. then the induced emf is

A copper rod of length 2m is rotated with a speed of 10 rps , in a uniform magnetic field of 1 tesla about a pivot at one end. The magnetic field is perpendicular to the plane of rotation. Find the emf induced across its ends