A cylindrical bar magnet is kept along the axis of a circular coil. If the magnet is rotated about its axis,then
The magnetic flux through a circuit of resistance R changes by an amount Î”Î¦ in time Î”t
Lenzs law is consequence of the law of conservatian of
A bar magnet is placed upright on a floor
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
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 circular coil of radius R = 10cm having 500 turns and total resistance 2 is placed initially perpendicular to the earths magneti..
A square loop of side 22cm is converted into circular loop in
According to phenomenon of mutual inductance
A Square coil of 10-2 m2 area is placed perpendicular to a uniform magnetic field of intensity
According to the Faradays law of electromagnetic induction
According to Lenzs law of electromagnetic induction
A coil Having 500 square loops each of side 10cm
A rectangular, a square, a circular and an elliptical loop
Two concentric coils each of radius equal to
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..
The flux linked with a circuit is given by
The north pole of a long horizontal bar magnet is being brought closer
A coil having an area 2m2 is placed in a magnetic field
The magnetic field B = 2t + 4t2 (where t = time) is applied perpendicular to the plane
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