1 |
Electromagnets are used in |
- A. Elecric bell
- B. Speaker
- C. Dynamo
- D. All above
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2 |
A freely suspended bar magenet always stays along. |
- A. East west direction
- B. North south direction
- C. Any direction
- D. Keeps oscillating
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3 |
The ends of magnet are called its. |
- A. Heads
- B. Terminals
- C. Poles
- D. Sides
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4 |
The region around a magnet where it can attract magnetic materials is called. |
- A. Magnetic compass
- B. Magneti field
- C. Magnetic lines
- D. Magnetism
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5 |
Glass is an example of |
- A. Non magnetic materials
- B. Magnetic materials
- C. Permanent magnet
- D. Temporary magent
|
6 |
How may poles are there on a ring shaped magnet. |
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7 |
The space around a magenet where it can attract magnetic materials. |
- A. Electric field
- B. Magnetic field
- C. Magnetic pole
- D. Magnetic core
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8 |
When electric current flows through an object it becomes a magnet. Such magnet is called. |
- A. Permanent magnet
- B. Temporary magent
- C. Elecromagent
- D. Non magnet
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9 |
Magnet is not used in |
- A. A dynamo
- B. An electric bell
- C. A speaker
- D. A heater
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10 |
Magnets are of.......... types. |
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