Advertisements
Advertisements
प्रश्न
State any two properties of a magnet.
उत्तर
Properties of a magnet:
- The freely suspended magnet always aligns itself in the geographic north and geographic south direction.
- Like poles of magnets repel each other while unlike poles attract.
APPEARS IN
संबंधित प्रश्न
You are given the magnetic field pattern of a magnet. How will you find out from it where the magnetic field is the strongest?
The shape of the earth's magnetic field resembles that of an imaginary:
(a) U-shaped magnet
(b) Straight conductor carrying current
(c) Current-carrying circular coil
(d) Bar magnet
A current flows downwards in a wire that passes vertically through a table top. Will the magnetic field lines around it go clockwise or anticlockwise when viewed from above the table?
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?
In following figure, draw at least two magnetic field lines between the two magnets.
(a)
A charge of 5000 C flows through an electric circuit in 2 hours and 30 minutes. Calculate the magnitude of current in a circuit.
How do you account for the following fact?
Soft iron keepers help to prevent the magnets from losing their magnetic properties.
Repulsion is a surer test of magnetic condition of a body than attraction. Explain.
Write the properties of magnetic lines of force.