Electricity and magnetism

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Across
  1. 2. a junction between two conductors that has a linear current
  2. 6. The portion of a vibrating string, air column, etc, between two nodes
  3. 9. Connection between two nodes in a circuit
  4. 10. Two words the average velocity attained by charged particles
  5. 13. two words used to calculate the values of field functions under given boundary and loading conditions.
  6. 16. Two words the difference of electrical potential between two points.
  7. 17. two words line voltage or the supply power input
  8. 19. an object or type of material that allows the flow of charge in one or more directions.
  9. 20. Two words a force with the property that the total work done in moving a particle between two points is independent of the path taken.
Down
  1. 1. a solid substance that has a conductivity between that of an insulator and that of most metals
  2. 3. a single electric charge or magnetic pole,
  3. 4. a source of electric power consisting of one or more electrochemical cells with external connections for powering electrical devices
  4. 5. a substance or device which does not readily conduct electricity.
  5. 7. two words the voltage released by a device, such as a voltage regulator or a generator.
  6. 8. Two words a simple circuit that uses resistors to supply a variable 'potential difference'
  7. 11. the energy that an electron gains when it travels through a potential of one volt.
  8. 12. Instrument used to detect the presence of electric charge on a body.
  9. 14. A passive electrical component with two terminals that are used for either limiting or regulating the flow of electric current in electrical circuits
  10. 15. a point or area where multiple conductors or semiconductors make physical contact.
  11. 18. an instrument used to measure the current in a circuit.