Advertisements
Advertisements
Question
Magnets lose their properties when they are
Options
used
stored
hit with a hammer
cleaned
Solution
Hit with a hammer
APPEARS IN
RELATED QUESTIONS
Write true or false for a given statement.
A coil carrying current behaves like a magnet.
Fill in the blank
A magnet has ______ poles.
Write true or false of the following statement.
Poles of a magnet cannot be separated.
Write true or false of the following statement.
A magnet can attract only a magnetic substance.
Write true or false of the following statement.
A magnet has no effect when it is heated to a high temperature.
Explain the attractive property of a magnet with the help of an experiment.
Give a reason for the following.
Magnets are used to close the doors of a refrigerator tightly.
You are given two rods. Out of these, one is an iron rod and the other one is magnet, how will you identify these rods?
Match the following:
| 1. | Directive property | a. | Never intersect |
| 2. | Magnetic poles | b. | Magnetic compass |
| 3. | Lines of force | c. | Attract |
| 4. | Unlike poles | d. | Exist in pairs |
Fig. 13.6 shows a magnetic campass. What will happen to the position of its needle if you bring a bar magnet near it? Draw a diagram to show the effect on the needle on bringing the bar magnet near it. Also draw the diagram to show the effect when the other end of the bar magnet is brought near it.
