Electronic Work Shop

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Across
  1. 1. 7812 is Voltage regulator for + _________ volts
  2. 2. Printed _________ Board
  3. 5. ________ is used to view electrical waveforms
  4. 9. Precise variable resistor mounted on PCB
  5. 10. Frequency of DC
  6. 11. Transformer with 3 output leads
  7. 13. Color code for Neutral Supply
  8. 14. Switches are connected in _________ with Phase
  9. 15. __________ ring on resistor denotes 5% tolerance
  10. 16. Color code for Earth
  11. 18. Soldering wire has Tin and __________
Down
  1. 1. Variable Capacitor
  2. 3. Silver ring side of PN Diode
  3. 4. PCB has a layer of _______ on Bakelite sheet
  4. 6. Voltmeter is connected in __________ with circuit element
  5. 7. FeCl3 is used for __________ of PCB
  6. 8. Circuits may be tested without soldering using ______ Board
  7. 12. Multimeter give ________ value of voltage
  8. 13. ___________ rectifier uses 4 Diodes
  9. 17. Color code for Phase supply