| 1 |
Magnets are of.......... types. |
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| 2 |
Glass is an example of |
- A. Non magnetic materials
- B. Magnetic materials
- C. Permanent magnet
- D. Temporary magent
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| 3 |
The direction of the Qibla is determined by |
- A. Emitter
- B. Armature
- C. Magnetic Compass
- D. Electromagnet
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| 4 |
In which things of the followign electromagnet does nto pull toward itself. |
- A. Iron
- B. Nickle
- C. Wood
- D. Cobalt
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| 5 |
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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| 6 |
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
|
| 7 |
How may poles are there on a ring shaped magnet. |
|
| 8 |
Whcih will not cause a magnet lose its magnetism. |
- A. Heating it
- B. Droppingit repeatedly
- C. Coating it with oil
- D. Hitting it
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| 9 |
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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| 10 |
Magnet is not used in |
- A. A dynamo
- B. An electric bell
- C. A speaker
- D. A heater
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