A horizontal wire `0.8 m` long is falling at a speed of `5 m//s` perpendicular to a uniform magnetic field of `1.1 T`, which is directed from east to west. Calculate the magnitude of the induced ernf. Is the north or south end of the wire positive?

A horizontal wire 20 m long extending from east to west is falling with a velocity of 10 m/s normal to the Earth s magnetic field of 0.5 xx 10^-4 T . What is the value of induced emf in the wire?

A 1m long metal wire moving perpendicular with speed 5m//s is a magnetic field of 0.1T. Then the induced emf between two ends of wire is……V

A horizontal telephone wire 1 km long is lying along east-west in earth's magnetic field. If falls freely to the ground from a height of 10 m. Calculate the e.m.f. induced in the wire on striking the ground. Given horizontal component of earth's field is 0.32 gauss.

A metallic wire PQ of length 1 cm moves with a velocity of 2m/s in a direction perpendicular to its length and perpendicular to a uniform magnetic field of magnitude 0.2 T. Find the emf induced between the ends of the wire. Which end will be positively charged.

A metallic wire PQ of length 1 cm moves with a velocity of 2 m//s in a direction perpendicular to its length and perpendicular to a uniform magnetic field of magnitude 0.2 T .Find the emf induced between the ends of the wire.Which end will be positively charged.

A metallic wire PQ of length 1 cm moves with a velocity of 2 m//s in a direction perpendicular to its length and perpendicular to a uniform magnetic field of magnitude 0.2 T .Find the emf induced between the ends of the wire.Which end will be positively charged.

A straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T. The velocity of the conductor is 15 m/s and is directed perpendicular to the field. The emf induced between the two ends of the conductor is

A horizontal straight wire 10m long extending from east to west is falling with a speed of 5.0m/s at right angles to the horizontal component of earths magnetic field 0.3 xx 10^(-4) tesla. The emf induced across the ends of wire is