At a place earth's magnetic field, `5xx10^(5)` `Wb//m^(2)` is acting perpendicular to a coil of radius R=5cm . If `mu_(0)//4pi=10^(-7)` , then how much current is induced in circular loop ?

The magnetic flux across a loop of resistance 10Omega is given by phi=5t^(2)-4t+1Wb . How much current is induced in the loop after 0.2 s?

The horizontal component of earth's magnetic field is 3xx10^(-5) Wb//m^2 . The magnetic flux linked with a coil of area 1m^2 and having 5 turns, whose plane is normal to the magnetic field, will be

The horizontal component of earth's magnetic field is 3xx10^(-5) Wb//m^2 . The magnetic flux linked with a coil of area 1m^2 and having 5 turns, whose plane is normal to the magnetic field, will be

The magnetic flux across a loop of resistance 10Omega is given by phi=5t^(2)-4t^(2)+1Wb . How much current is induced in the loop after 0.2 s?

A coil has an area of 0.05 m^2 and has 800 turns. After placing the coil in a magnetic field of strength 4 xx 10^(-5) "Wb/m"^2 perpendicular to the field the coil is rotated through 90^@ in 0.1 s. The average emf induced is ____

The earth's magnetic induction at a certain point is 7xx10^(-5) Wb/m^(2) . This is to be annulled by the magnetic induction at the centre of a circular conducting loop of radius 5 cm . The required current in the loop is

A circular coil of radius 10 cm, 500 turns and resistance 2 Omega is placed with its plane perpendicular to the horizontal component of the earth's magnetic field. It is rotated about its vertical diameter through 180^@ in 0.5 s. Estimate the magnitudes of the emf and current induced in the coil. Horizontal component of the earth's magnetic field at the place is 3.0 xx 10^(-5) T.