1 |
The space around a magenet where it can attract magnetic materials. |
- A. Electric field
- B. Magnetic field
- C. Magnetic pole
- D. Magnetic core
|
2 |
A magnet can attract objects made of |
- A. Silver
- B. Aluminum
- C. Iron
- D. Copper
|
3 |
The ends of magnet are called its. |
- A. Heads
- B. Terminals
- C. Poles
- D. Sides
|
4 |
In which things of the followign electromagnet does nto pull toward itself. |
- A. Iron
- B. Nickle
- C. Wood
- D. Cobalt
|
5 |
Whcih will not cause a magnet lose its magnetism. |
- A. Heating it
- B. Droppingit repeatedly
- C. Coating it with oil
- D. Hitting it
|
6 |
Electromagnets are used in |
- A. Elecric bell
- B. Speaker
- C. Dynamo
- D. All above
|
7 |
The direction of the Qibla is determined by |
- A. Emitter
- B. Armature
- C. Magnetic Compass
- D. Electromagnet
|
8 |
A magnet can lose its magnetc peroperty it is called. |
- A. Magenetism
- B. Demagnetization
- C. Magnetic field
- D. None of these
|
9 |
Which will not increase the strenght of an electromagnet. |
- A. Adding an iron core
- B. Adding a plastic core
- C. Coiling the wire
- D. Increasing the current
|
10 |
The needlcompass is always there |
- A. To the North and south direction
- B. To the West and south direction
- C. To the North and East direction
- D. To the North and West direction
|