A conducting circular loop is placed in a uniform magnetic field 0.04 T with its plane perpendicular to the magnetic field
A magnet is brought towards a coil (i) speedly (ii) slowly, then the induced e.m.f./induced charge will be respectively
A circular coil of radius R = 10cm having 500 turns and total resistance 2 is placed initially perpendicular to the earths magneti..
The magnetic flux through a circuit of resistance R changes by an amount Î”Î¦ in time Î”t
If a coil of 40 turns and area 4.0 cm2 is suddenly removed from a magnetic field, it is obseverd that a charge of
A cylindrical bar magnet is kept along the axis of a circular coil. If the magnet is rotated about its axis,then
Two coils A and B have mutual inductance 2*10-2 henry. if the current in the primary is i = 5sin(10Ï€ t) then the maximum value..
According to the Faradays law of electromagnetic induction
Lenzs law is consequence of the law of conservatian of
The magnetic flux linked with a coil of N turns of area of cross section A held with its plane parallel to the field B is
According to phenomenon of mutual inductance
A Square coil of 10-2 m2 area is placed perpendicular to a uniform magnetic field of intensity
The flux linked with a circuit is given by
According to Lenzs law of electromagnetic induction
A copper ring is held horizontally and a bar magnet is dropped through the ring with its lenth along the axis of the ring
A square loop of side 22cm is converted into circular loop in
A coil Having 500 square loops each of side 10cm
A rectangular, a square, a circular and an elliptical loop
A bar magnet is placed upright on a floor
Two concentric coils each of radius equal to
The north pole of a long horizontal bar magnet is being brought closer
A coil of area 100cm2 has 500 turns
The magnetic field B = 2t + 4t2 (where t = time) is applied perpendicular to the plane
A coil having an area 2m2 is placed in a magnetic field
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