Electromagnetism

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Across
  1. 1. use induction to increase or decrease the voltage of alternating current
  2. 4. a coil of wire that carries an electric current and therefore produces a magnetic fields
  3. 6. motor changes electrical energy into mechanical energy
  4. 7. a fundamental form of energy observable in positive and negative forms that occurs naturally or produced and that is expressed in terms of the movement and interaction of electrons
  5. 9. when electric currents and magnetic fields interact with each other
  6. 10. any material capable of attracting iron and producing a magnetic field outside itself
Down
  1. 2. generators use induction to change mechanical energy into electrical energy
  2. 3. having an opposite polarity to the charge of an electron and the same polarity as the charge of a proton
  3. 5. wrapping a solenoid around an iron core makes a
  4. 7. induction using a magnetic field to create an electric current in a wire
  5. 8. having the electric charge or voltage less than zero