Advertisements
Advertisements
प्रश्न
Select the correct option:
The substance which form a strong temporary magnet is:
विकल्प
steel
platinum
soft iron
manganese
उत्तर
soft iron
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
A current-carrying coil, when suspended freely, can rest in any direction.
How will you test whether a given rod is made of iron or not?
Define the following term regarding a bar magnet:
Effective length
If a bar magnet is hung by a thread tied at its center, its north pole becomes steady in the direction of the ______ Pole of the earth.
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?
What are magnetic keepers? What are they used for?
Explain the following:
Resistance of a conductor
Observe the pictures A and B given in Fig. 13.1 carefully.
Which of the following statement is correct for the above given pictures?
The strongest natural magnet is ______.
Give the uses of magnets in everyday life.