Recent questions tagged magnetic effects of current

+1 vote

1 answer

An infinitely long, straight conductor AB is fixed and a current is passed through it. Another movable

asked Apr 2, 2019 in JEE by kratos

+2 votes

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An electron (mass =9 x 10^-31 kg charge =1.6 x 10^-19 coul ) whose kinetic energy is joule 7.2 x 10^-18

asked Mar 25, 2019 in JEE by kratos

+1 vote

1 answer

If a particle of charge q is moving with velocity v along the x-axis and the magnetic field B is acting along the y-axis,

asked Mar 21, 2019 in Class 12 by kratos

+3 votes

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An electron moves straight inside a charged parallel plate capacitor at uniform charge density σ .

asked Mar 20, 2019 in JEE by kratos

+1 vote

1 answer

The closed loop (PQRS) of wire is moved out of a uniform magnetic field at right angles to the plane of the paper as shown in the figure.

asked Mar 18, 2019 in Class 12 by kratos

+1 vote

1 answer

A square, conducting loop falls from rest in the xy-plane. There is a uniform magnetic field in the z-direction below the x-axis.

asked Mar 18, 2019 in Class 12 by kratos

+1 vote

1 answer

A particle having the same charge as of electron moves in a circular path of radius 0.5cm

asked Mar 17, 2019 in Class 12 by kratos

+3 votes

1 answer

A circular loop of area 1 cm^2, carrying a current of 10 A, is placed in a magnetic field of 0.1 T

asked Mar 16, 2019 in JEE by kratos

+3 votes

1 answer

3 A of current is flowing in a linear conductor having a length of 40 cm. The conductor is placed in a magnetic

asked Mar 16, 2019 in JEE by kratos

+1 vote

1 answer

When a charged particle circulates in a normal magnetic field, then the area of it'* circulation is proportional to

asked Mar 11, 2019 in JEE by kratos

+2 votes

1 answer

A particle carrying a charge equal to 100 times the charge on an electron is rotating per second in a circular path of radius 0.8 metre.

asked Mar 8, 2019 in JEE by kratos

+2 votes

1 answer

The average radius of a toroid made on a ring of non-magnetic material is 0.1 m and it has 500 turns.

asked Mar 3, 2019 in JEE by kratos

+3 votes

1 answer

A wire of length l carries a current I along the y direction and magnetic field is given by b= }

asked Feb 27, 2019 in JEE by kratos

+1 vote

1 answer

A long solenoid has 200 turns per cm and carries a current i.

asked Feb 27, 2019 in JEE by kratos

+1 vote

1 answer

A wire, carrying a current i, is kept in X - Y plane along the curve y = A sin (2π/λ x ). A magnetic

asked Feb 25, 2019 in JEE by kratos

+3 votes

1 answer

A vector A points vertically upward and B points towards north. The vector product A x B is

asked Feb 24, 2019 in Mathematics by kratos

+1 vote

1 answer

Two thin long wires carry current I1 and I2 along x- and y-axes, respectively, as shown in fig. Consider the points only in x-y plane.

asked Feb 23, 2019 in JEE by kratos

+2 votes

1 answer

The coil of a galvanometer consists of 100 turns and effective area of 1 square cm. The restoring

asked Feb 18, 2019 in JEE by kratos

+1 vote

1 answer

In a certain region of space, electric field is along the z direction throughout .the magnitude of electric field is,

asked Feb 18, 2019 in Class 12 by kratos

+3 votes

1 answer

An electron, a proton and a He+ ion projected into a magnetic field with same kinetic energy,

asked Feb 13, 2019 in JEE by kratos

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