Advertisements
Advertisements
प्रश्न
State any two properties of a magnet.
Advertisements
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?
Fill in the following blank with suitable words:
Magnetic field lines leave the .......... pole of a bar magnet and enter at its .......... pole.
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.
Explain the following :
When two pins are hung by their heads from the same pole of a magnet, their pointed ends moves apart.
Can two magnetic field lines intersect each other? Give reason to your answer.
Select the correct option:
Nickel is a:
Inside the magnet, the field lines moves ____________.
A wire 10 cm long carrying a current of 1.5 A is held in a uniform magneÑic field in which B = 10-3 T. Calculate the force on the wire if it is held perpendicular to the lines of the magnetic field.
"Magnetic field is a physical quantity that has both direction and magnitude." How can this statement be proved with the help of magnetic field lines of a bar magnet?
A closely wounded circular coil of radius 5 cm produces a magnetic field of 37.68 × 10-4 T at its center. The current through the coil is ______ A. [Given, number of turns in the coil is 100 and π = 3.14)
