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