Simple Electric Motor

Electric Motor

Requirements/Methods

  • A thin Marker
  • Electrical Tape
  • 22 G wire-insulated
  • Two sewing needles. It should be long and should be made up of metal. The eye of the needle must be large enough so that the wire could pass through.
  • A hobby Knife.
  • A Clay.
  • A Small circular management.
  • D Battery.
  • Start wrapping the insulated wire around the marker thirty times. Start from the center so that it would be easy.
  • Slide the coil off the marker.
  • Wrap the two loose ends of the wire tightly so that all the insulated wires are held together.
  • Now making use of the hobby knife, remove the top half of the wire at the free end. Rest of the wires have to remain insulated.
  • Pass each loose end of the wire through two large eyed needles. Notably, the wire should not bend. It has to be kept straight between the needles.
  • Place the D battery sideways. Place it on a flat surface.
  • Stick some modeling clay on either sides of the battery so that it stays still and does not roll away.
  • Cover the sharp ends of the needle with a modeling clay.
  • Make sure that either side of the needle touches the battery terminals.
  • Make use of electric tape so the needles are secure to the end of the battery.
  • Place a magnet on the battery that is exactly at the bottom of the coil.
  • Now spin the coil.

Results / Conclusion

The simple electric motor spins when it is spins in the right direction but when it spins in opposite direction it fails to spin.


Practise This Question

The following figure shows the elliptical path of a planet about the sun. The two shaded parts have equal areas. If t1, t2 be the time taken by the planet to go from A to B and from C to D respectively–