Explain radial magnetic induction.

A circular coil of radius 0.5m and resistance 3.14 Omega is placed in a magnetic induction with its plane perpendicular to the field.The rate of change of magnetic induction so as to produce a current of 50 mA in the coil is

A bar magnet is vibrating in a uniform magnetic induction, the magnitude of which can be changed. If the frequency is found to reduce to half of its original frequency when the magnetic induction changes to 1.25xx10^(-5) frac(wb)(m2) . Calculate the original magnetic induction.

A bar magnet is vibrating in a uniform magnetic induction, the magnitude of which can be changed, its frequency is found to reduce to quarter of the original frequency, when the magnetic induction changes to 1.25 xx10^(-5) frac(wb)(m^2) . Calculate the original magnetic induction.

Obtain an expression for magnetic induction at the centre of current carrying circular coil.

Derive an expression for magnetic induction at a point along axis of current carrying circular coil .

The bar magnet produces magnetic induction of 4 xx 10^(-5)T at a point 10 cm from centre on the axis of magnet. The magnetic moment is The bar magnet produces magnetic induction

Derive expression for Magnetic induction due to a bar Magnet at a point along the axis.

A rectangular coil of effective area 0.01 m^2 suspended freely in a radial magnetic field. The coil deflects through 30^@ when current of 0.5 xx 10^-3 A is passed through it. If torsional constant of suspension is 25 xx 10^-9 Nm//rad . Find 'B' magnetic induction.

In suspended coil type M.C.G, the coil is suspended in radial magnetic field by thin fibre of phosphor bronze because

The relation between magnetic induction (B), magnetising field (H) and the magnetisation (I) is