Advertisements
Advertisements
प्रश्न
Define the isoclinic line.
Advertisements
उत्तर
A line joining all the places on globe, having same angle of dip or inclination is called isoclinic line.
APPEARS IN
संबंधित प्रश्न
Define magnetic field lines. Describe an activity to draw a magnetic field line outside a bar magnet from one pole to another pole.
In the straight wire A, current is flowing in the vertically downwards direction whereas in wire B the current is flowing in the vertically upward direction. What is the direction of magnetic field:
(a) in wire A?
(b) in wire B?
Name the rule which you have used to get the answer.
A thick wire is hanging form a wooden table. An anticlockwise magnetic field is to be produced around the wire by passing current through this wire by using a battery. Which terminal of the battery should be connected to the:
(a) top end of wire?
(b) bottom end of wire?
Give reason for your choice.
If you hold a coil of wire next to a magnet, no current will flow in the coil. What else is needed to induce a current?
The intensity of a magnetic field is indicated by the lines of ______.
A dry cell can supply a charge of 800 C. If continuous current of 8.0 mA is drawn, calculate the time in which cells will discharge completely.
What are the properties of a magnet?
The relative strength of the magnetic field at a point in the space surrounding the magnet is shown by the ____________.
A circular loop placed in a plane perpendicular to the plane of paper carries a current when the key is ON. The current as seen from points A and B (in the plane of paper and on the axis of the coil) is anti clockwise and clockwise respectively. The magnetic field lines point from B to A. The N-pole of the resultant magnet is on the face close to

The direction of the magnetic lines around a current-carrying conductor can be easily understood using the ______ rule.
