Other questions in this quiz

2. Why is voltage induced when a wire is moved through a magnetic field?

  • Field lines are being cut
  • the current increases

3. In a generator why is the induced current a.c?

  • Coil cuts field lines in one direction, then half a turn later in the opposite direction
  • Due to the magnetic field lines being cut

4. Define transverse waves

  • Vibrations are at 90 degrees to the direction of wave motion
  • Vibrations are at 45 degrees to the direction of wave motion

5. Define longitudinal waves

  • Vibrations are parallel to direction of wave motion
  • Vibrations are vertical to the direction of wave motion

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