Fill in the following blanks with suitable words:

(a) The lines of ........... round a straight current-carrying conductor are in the shape of ...........
(b) For a current-carrying solenoid, the magnetic field is like that of a ...........
(c) The magnetic effect of a coil can be increased by increasing the number of ........... increasing the ........... or inserting an ........... core.
(d) If a coil is viewed from one end and the current flows in an anticlockwise direction, then this end is a ........... pole.
(e) If a coil is viewed from one end, and the current flows in a clockwise direction, then this end is a ........... pole.

Open in App

Solution

(a) The lines of magnetic field round a straight current-carrying conductor are in the shape of concentric circles.
(b) For a current-carrying solenoid, the magnetic field is like that of a bar magnet.
(c) The magnetic effect of a coil can be increased by increasing the number of turns increasing the current or inserting an iron core.
(d) If a coil is viewed from one end and the current flows in an anticlockwise direction, then this end is a north pole.
(e) If a coil is viewed from one end, and the current flows in a clockwise direction, then this end is a south pole.

Suggest Corrections

Similar questions

Fill in the following blanks with suitable words :

(a) The lines of .........round a straight current-carrying conductor are in the shape of ...........

(b) For a current-carrying solenoid, the magnetic field is like that of a ...........

(c) The magnetic effect of a coil can be increased by increasing the number of ...........,increasing the .............or inserting an ............ core.

(d) If a coil is viewed from one end and the current flows in an anticlockwise direction, then this end is a ........... pole.

(e) If a coil is viewed from one end, and the current flows in a clockwise direction, then this end is a ........pole.

If the direction of electric current in a solenoid, when viewed from one of its ends, is anticlockwise. The pole of this end of the solenoid is ___ .

Q. In a circular current-carrying conductor, if the current flows in the clockwise direction, the magnetic field direction is __________.

Q. The diagram below show a coil connected to a centre zero galvanometer

G

. The galvanometer shows a deflection to the right when the

N

-pole of a powerful magnet is moved to the right as shown. Does the direction of the current in the coil appear clockwise or anticlockwise viewed from this end

A

(a) A current-carrying conductor is placed perpendicularly in a magnetic field. Name the rule which can be used to find the direction of force acting on the conductor.

(b) State two ways to increase the force on a current-carrying conductor in a magnetic field.

Join BYJU'S Learning Program