Other questions in this quiz

2. 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

3. How do stars produce energy?

  • Nuclear fusion of hydrogen
  • Nuclear fission of helium

4. According to the Big Bang Theory,what is the composition of the universe?

  • Hydrogen ( approx 75%) and helium ( approx 25%) and small quantities of light elements
  • Hydrogen ( approx 35%) and helium ( approx 65%) and small quantities of light elements

5. 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

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