Basic Electrical Engineering

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Across
  1. 3. rule to identify direction of current
  2. 4. sum of currents at a node is equal to zero
  3. 7. internal resistance of Ideal voltage source
  4. 9. unit of electric current
Down
  1. 1. voltage changes polarity at regular intervals of time
  2. 2. ratio of rms value to the average value
  3. 5. number of cycles per second
  4. 6. unit of energy
  5. 8. current is directly proportional to the voltage