Electric knowledge

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Across
  1. 6. A device used for measuring potential difference
  2. 7. What is the unit of measurement for inductance?
  3. 8. A path through which current travels
  4. 10. Unit of electrical power
  5. 12. Joule is the unit of measure
  6. 14. Unit of current
  7. 15. Several cells connected together that produce voltage are called a
  8. 18. E/I equals?
Down
  1. 1. Rheostat is also known as?
  2. 2. Device used for measuring resistance
  3. 3. How is an ammeter connected in a circuit
  4. 4. A device that creates potential difference in an electrical circuit
  5. 5. Ampere is the unit of?
  6. 9. How a voltmeter is connected in an electrical circuit
  7. 11. Name the device for measuring current
  8. 13. Unit of resistance
  9. 16. What is the process of separating elements electrically?
  10. 17. What type of current flows in only one direction?