prep crossword- electromagnetism SE

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Across
  1. 1. Measures amps
  2. 3. the unit for resistance.
  3. 4. positive charge.
  4. 5. A device designed to make resistance into an electrical circuit.
  5. 6. Measures volts
  6. 9. circuit- a circuit with only one path for electric current to flow.
  7. 10. allows the circuit to be connected and disconnected.
  8. 12. current- The flow of electric charge.
  9. 13. he found a simple relationship among voltage, current, and resistance that is now known as ... law?
Down
  1. 2. negative charge.
  2. 4. circuit- a circuit with more than one path for current to flow in.
  3. 6. voltmeter measures?
  4. 7. ammeter measures?
  5. 8. a semiconductor device that allows the current to flow in one direction only.
  6. 11. electrons can move easily through this material, such as metal.