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Course: Igcse Physics
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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

4.4.2 Demonstrating Induction – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Why is a centre-zero meter used in induction experiments?
It is cheaper
It shows the direction of the current
It gives larger readings
It does not need a coil
2.
A magnet rests inside a coil. The meter reads
zero
a steady non-zero value
maximum
alternating values
3.
Two coils share a soft-iron core. Coil A has a steady direct current. The meter on coil B shows
a steady deflection
an alternating deflection
a growing deflection
zero
4.
Which would NOT increase the deflection when a magnet is pushed into a coil?
Pushing it in faster
Pushing it in slowly for longer
Using a stronger magnet
Using more turns
5.
In the two-coil experiment, opening the switch gives a kick that is
the same direction as when closing
zero
opposite to the kick on closing
steady until the switch is closed again
6.
A wire is moved along the direction of the field lines between two magnet poles. The meter shows
a deflection to the right
a deflection to the left
no deflection
a deflection depending on the wire colour
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Part of 4. Electricity and Magnetism — see every lesson and quiz in this unit.
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