Physic

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Across
  1. 1. Its magnetism is 'always on' it generates its ownpersistent magnetic field
  2. 6. Device that melts when a large amount of current passes through it thereby interrupting the circuit
  3. 8. The rate at which work is done and/or energy is transformed into an electrical circuit
  4. 11. The voltage across a conductor is directly proportional to the current flowing through it provided all physical conditions and temperatures remain constant
  5. 13. The pressure from an electrical circuit's power source that pushes charged electrons (current) through a conducting loop
  6. 14. For a given electric conductor, what is the name given to the ratio potential difference applied divided by current produced
  7. 15. An object which is capable of producing magnetic field and attracting unlike poles and repelling like poles
  8. 21. Any energy source devices that use energy, and conducting wires that connect the two terminals of the battery to the two ends of the light bulb
  9. 22. Is an ore of iron that attracts small pieces of ironcobalt and nickel towards it
  10. 24. It is the flow of electricity in an electronic circuit and to the amount of electricity flowing through a circuit
  11. 25. The study of the magnetic field of the Earth
  12. 27. force that occurs between electrically charged particles
  13. 28. Device used to measure electrical current
  14. 29. The region where the external magnetic field is thestrongest at each end of a magnet
  15. 30. A type of electrical current in which the direction of the flow of electrons switches back and forth at regular intervals or cycles
  16. 31. Electrical resistance of a conductor of unit cross-sectional area and unit length
Down
  1. 2. An electrical component that limits or regulates the flow of electrical current in an electronic circuit
  2. 3. Magnets which are made from iron in different shapeand sizes for different uses
  3. 4. Like poles repel one another and unlike poles attracteach other
  4. 5. Is divided into two rules which are the junction rule and the loop rule
  5. 7. It is when a single resistance replaces the combination of resistances without h changing the current in the circuit
  6. 9. Measurement unit of the resistance in the SI which is defined as the resistance that allows the circulation of a current of an ampere when a potential difference of one volt is applied to it
  7. 10. Branch of physics dealing with the effects arising from the interactions of electric currents with magnets other currents or themselves
  8. 12. The force exerted by magnets when they attract or repel eachother
  9. 16. A unit of measurement of the rate of an electron flow or current in an electrical conductor
  10. 17. A circuit having more than one path for current flow
  11. 18. Is a measure of the ability of water to pass an electrical current
  12. 19. A current that flows always in one direction
  13. 20. A branch of Physics that deals with the
  14. 23. The region around a magnetic material or a moving electriccharge within which the force of magnetism acts
  15. 26. A circuit that comprises a path along which the whole current flows through each component