Curriculum
Course: Igcse Physics
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Curriculum

Igcse Physics

1. Motion, Forces and Energy

0/161 Dr Dabour Hub Science Diagram and Course Material

2. Thermal Physics

0/75 Dr Dabour Hub Science Diagram and Course Material

3. Waves

0/77 Dr Dabour Hub Science Diagram and Course Material

4. Electricity and Magnetism

0/119 Dr Dabour Hub Science Diagram and Course Material

5. Nuclear Physics

0/39 Dr Dabour Hub Science Diagram and Course Material

6. Space Physics

0/47 Dr Dabour Hub Science Diagram and Course Material
Quiz

4.1.2 Magnets – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which material is best for a permanent magnet?
Aluminium
Soft iron
Copper
Steel
2.
Which is best for the core of an electromagnet?
Soft iron
Plastic
Brass
Steel
3.
A magnet is demagnetised by
touching it with copper
hammering it
putting it in water
cooling it slightly
4.
To increase the strength of an electromagnet, you can
remove the core
reduce the current
use fewer turns
increase the current
5.
When a magnetised steel bar is stroked, the pole at the end where stroking finishes is
the opposite of the stroking pole
neutral
always north
the same as the stroking pole
6.
A bar magnet is cut in two. Each part has
four poles
two poles
one pole
no poles
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
Part of 4. Electricity and Magnetism — see every lesson and quiz in this unit.
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