8a Electromagnetism I

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Question 1 of 11

1. Question
1 point(s)
Materials that can be attracted by a magnet are called _____ materials.
- magnet attractable
- magnet attachable
- ferromagnetic
- magnet
Correct

Incorrect
Question 2 of 11

2. Question
1 point(s)
Which of the followings are ferromagnetic materials?
- Zinc
- Nickel
- Aluminium
- Tin
Correct

Incorrect
Question 3 of 11

3. Question
1 point(s)
Which of the following materials cannot be attracted by a magnet?
- Iron
- Cobalt
- Steel
- Copper
Correct

Incorrect
Question 4 of 11

4. Question
1 point(s)
In the figure, which diagrams show the correct magnetic field at the north or south pole of a bar magnet?
- P and S
- R and Q
- P and Q
- R and S
Correct

Incorrect
Question 5 of 11

5. Question
1 point(s)
In the diagram, which compasses show the correct direction of the magnetic field of a bar magnet?
- P, U and S
- Q, R and T
- U, R and S
- None of the above are correct
Correct

Incorrect
Question 6 of 11

6. Question
1 point(s)
Which of the pictures above shows the magnetic field that produced by a single straight current-carrying wire?
- P
- Q
- R
- S
Correct

Incorrect
Question 7 of 11

7. Question
1 point(s)
The direction of the magnetic field produced by a current-carrying conductor can be determined by
- I. Fleming's Left-Hand Rule
- II. Fleming's Right-Hand Rule
- III. Right-Hand Grip Rule
- IV. Maxwell's Screw Rule
Correct

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Question 8 of 11

8. Question
1 point(s)
Which of the diagram above shows the correct magnetic field pattern produced by the current in a straight wire?
- P and R only
- R and S only
- Q, R and S only
- Q and S only
Correct

Incorrect
Question 9 of 11

9. Question
1 point(s)
Which of the following statements are TRUE about the magnetic field generated by a straight current carrying conductor?
- I. The magnetic field strength increase when the current increases.
- II. The magnetic field strength increase when the distance from the conductor increases.
- III. The direction of the field line depends on the direction of the current.
- IV. The direction of the field can be determined by Maxwell's Screw Rule.
Correct

Incorrect
Question 10 of 11

10. Question
1 point(s)
The figure shows a compass placed above a conductor. When the switch is on, the pointer of the compass will point to the direction as in
- P
- Q
- R
- S
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Question 11 of 11

11. Question
1 point(s)
Which of the above diagrams shows the correct magnetic field pattern produced by the current in 2 straight wires?
- P
- Q
- R
- S
Correct

Incorrect