Recent questions tagged moving charges

+1 vote

1 answer

Two parallel wires, 4 cm apart, carry currents of 2 A and 4 A respectively, in the same direction.

asked Apr 3, 2019 in JEE by kratos

+3 votes

1 answer

A winch is driven by an electric motor with a separate excitation and fed from a battery of emf ξ = 300 V.

asked Mar 31, 2019 in JEE by kratos

+3 votes

1 answer

A square coil of side 10 cm consists of 20 turns and carries a current of 12 A.

asked Mar 27, 2019 in JEE by kratos

+2 votes

1 answer

A long straight wire of radius "a" carries a steady current I the current is uniformly distributed across its cross-section.

asked Mar 20, 2019 in Class 12 by kratos

+2 votes

1 answer

Dimension of magnetic field is :

asked Mar 20, 2019 in JEE by kratos

+3 votes

1 answer

A straight wire lying in a horizontal plane carries a current from north to south. (a) What will be the direction

asked Mar 13, 2019 in Class 12 by kratos

+1 vote

1 answer

An electron does not suffer any deflection while passing through a region of uniform magnetic field.

asked Mar 13, 2019 in JEE by kratos

+1 vote

1 answer

Two very long wires parallel to the Z-axis (in xz plane) and a distance '4a' (along x-axis) apart carry equal currents I in opposite

asked Mar 12, 2019 in JEE by kratos

+1 vote

1 answer

In an experiment , setup A consists of two parallel wires which carry currents in opposite directions as shown in the figure.

asked Mar 10, 2019 in JEE by kratos

+3 votes

1 answer

Two parallel wires one meter apart carry currents of 1A and 3 respectively in opposite directions. Calculate the force

asked Mar 3, 2019 in JEE by kratos

+2 votes

1 answer

Two long cylindrical coils with uniform windings of the same length and nearly the same radius

asked Feb 25, 2019 in JEE by kratos

+2 votes

1 answer

A long straight wire carries a steady current I along the positive y-axis in a coordinate system.

asked Feb 22, 2019 in Class 12 by kratos

+1 vote

1 answer

An electron emitted by a heated cathode and accelerated through a potential difference of 2.0 kV,

asked Feb 21, 2019 in Physics by kratos

+2 votes

1 answer

In a chamber, a uniform magnetic field of 6.5 G(1G= 10^4 T) is maintained. An electron is shot into

asked Feb 20, 2019 in JEE by kratos

+2 votes

1 answer

A straight section PO of a circuit **** along the x-axis from x = –a/2 to x = +a/2, and carries a steady current ‘I’.

asked Feb 19, 2019 in JEE by kratos

+1 vote

1 answer

STATEMENT-1: When a charged particle enters a magnetic field from outside, it cannot complete one rotation inside the field.

asked Feb 11, 2019 in Class 12 by kratos

+1 vote

1 answer

The Sun is a hot plasma (ionized matter) with its inner core at a temperature exceeding 10^7 K, and its outer surface at a temperature of about 6000K.

asked Feb 5, 2019 in Class 12 by kratos

+1 vote

1 answer

The magnetic moment has dimension of

asked Feb 4, 2019 in JEE by kratos

+1 vote

1 answer

(a) A magnetic field that varies in magnitude from point to point but has a constant direction

asked Feb 4, 2019 in Class 12 by kratos

+1 vote

1 answer

In the following arrangement as shown in figure, the magnetic field at point O is given by

asked Feb 3, 2019 in JEE by kratos

To see more, click for the full list of questions or popular tags.

...