Advertisements
Advertisements
प्रश्न
Define the following term regarding a bar magnet:
Effective length
उत्तर
The distance (NS) between the north pole and south pole of a magnet is called the length or effective length of the magnet.
APPEARS IN
संबंधित प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
As we move away from a magnet, its attraction power weakens.
When magnetic material is taken close to a magnet, the material acquires ______.
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic south.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Name the metal used for E and F.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
What is the material of darkened part?
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
What will happen when we place magnets near cell phones, computers, and DVDs?