HARD
12th Odisha Board
IMPORTANT
Earn 100

A proton and an alpha particle enter a uniform magnetic field with the same velocity. The period of rotation of the particle will be
(a)Four times that of the proton
(b)Two times that of the proton
(c)Same as that of the proton
(d)Half of that of the proton

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Important Questions on Magnetic Effect of Electric Current
MEDIUM
12th Odisha Board
IMPORTANT
Two thin long parallel wires separated by a distance are carrying a current amp each. The magnitude of the force per unit length exerted by one wire on the other is

MEDIUM
12th Odisha Board
IMPORTANT
A conducting circular loop of radius carries a constant current i. It is placed in a uniform magnetic field such that is perpendicular to the plane of the loop. The magnetic force acting on the loop is

EASY
12th Odisha Board
IMPORTANT
The time rate of work done by a magnetic field on a charged particle moving on a helical path is

EASY
12th Odisha Board
IMPORTANT
Define a tesla?

EASY
12th Odisha Board
IMPORTANT
Define a weber.

MEDIUM
12th Odisha Board
IMPORTANT
Draw the magnetic lines of induction due to a conductor carrying current in the upward direction.

MEDIUM
12th Odisha Board
IMPORTANT
Sketch a curve to show how the magnetic flux density near a straight conductor carrying current, varies with distance away from the current.

MEDIUM
12th Odisha Board
IMPORTANT
The number of turns and the radius of a flat circular coil carrying current are both doubled. What happens to the original magnetic field produced at its centre?
