A conductor of length 1.0 m falls freely under gravity from a heigth of 10 m so that it cuts the lines of force the horizontal component of earth's magnetic field of `3 xx 10 (-5) Wb m ^(-2)` . Find the emf induced in the conductor .

A conductor of length 2.0m is falling freely under gravity from a height of 15 m so that it cuts the magnetic lines of force of the horizontal component of Earth's magnetic field of strength 0.3 gauss. Calculate the emf induced across the conductor.

A horizontal conducting rod 10 m long extending from east to west is falling with a speed of 5.0 m//s at right angles to the horizontal component of earth's magnetic field, 0.3 xx 10^(-4) Wb//m^(2) . Find the instantaneous value of e.m.f. induced in the rod.

A horizontal straight wire 5 m long extending from east to west is falling with a speed of 10 m/s at right angles to the horizontal component of earth's magnetic field 0.40xx10^(-4)Wb.m^(-2) . find the instantaneous value of emf induced in the wire.

The horizontal telegraph wire 100 m long, oriented along magnetic east west falls freely under gravity to the ground with a speed of 20 cm/s. the horizontal component of earth's magnetic field is 4.0xx10^(-5) tesla. The emf induced in the wire at the instant, the wire strikes the gound is

(a) Draw a labelled diagrame of an ac generator. Obtain the expression for the emf induced in the rotating coil of N turns each of cross-sectional are A, in the presence of a magnetic field overset(to) (B) . (b) A horizonatal conducting rod 10m long extending from east to west is falling with a speed 5.0 ms ^(-1) at right angles to the horizontal component of the Earth's magnetic fields. 0.3 xx 10^(-4) Wb m^(-2) . Find the instantaneous value of the emf induced in the rod .

(a) Draw a labelled diagrame of an ac generator. Obtain the expression for the emf induced in the rotating coil of N turns each of cross-sectional are A, in the presence of a magnetic field overset(to) (B) . (b) A horizonatal conducting rod 10m long extending from east to west is falling with a speed 5.0 ms ^(-1) at right angles to the horizontal component of the Earth's magnetic fields. 0.3 xx 10^(-4) Wb m^(-2) . Find the instantaneous value of the emf induced in the rod .

A metal conductor of length 1 m rotates vertically about one of its ends at angular velocity 5 rad. s^(-1) . If the horizontal component of earth's magnetic field is 0.2 xx 10^(4) T, then the emf developed between the ends of the conductor is