X Class JEE PT-II

The magnetic field lines are ________________

• Open Loops

• Closed Loops

• Some times closed some times open

• All of these

Current carrying wires produce_______________

• Magnetic Field

• Sound

• Both

• None of the Above

When you curl your right hand fingers in the direction of current, thumb gives the direction of magnetic field.This is called______________

• Right hand rule

• Left hand thumb rule

• Right hand thumb rule

• Neither (2) nor (3)

Outside the solenoid the direction of the field lines is from________________ while inside the direction is from____________

• North to South, South to North

• South to North, South to North

• South to North, North to South

• North to South, North to South

Lines of Magnetic field around a current carrying straight conductor will be _____________

• Circular in a plane perpendicular

• Straight lines parallel to the conductor

• Circular in a plane parallel to the conductor

• Straight, perpendicular to the conductor

Magnetic field is not associated with __________________

• A decelerated charge

• A stationary charge

• A charge in uniform motion

• An accelerated charge

A Circular coil carrying current behaves as a

• Solenoid

• Bar Magnet

• Horse shoe magnet

• Magnetic field

If the current is flowing clockwise in a circular coil, the direction of lines of force inside the coil is

• Towards you

• Away from the centre along the radius

• Towards the centre along the radius

• Away from you

Magnetic field is _____________________ dimensional.

• 4

• 3

• 2

• 1

Magnetic field at a point on the lines of current carrying conductor is

• Infinity

• Finite value

• Zero

• Maximum