Part-A: Answer any TEN questions: 1 x 10 = 10 1. What is internet ? 2. Define frequency. 3. When will a load receives maximum power from a source? 4. What is a multimeter? 5. Define resistance. 6. What is a microphone? 7. Define time constant during the discharge of capacitor through a resistance. 8. What are clippers? 9. What happens to the width of depletion layer of a p-n junction when it is reverse biased? 10. Name any one application of LED. 11. Draw the symbol of N-P-N transistor.. 12. What does the arrow in the circuit symbol of a transistor indicate? 13. Expand MSB. 14. Write 1’s complement of the binary number 1011. 15. What is a part number?
Part-B: Answer any FIVE questions: 2 x 5 = 10 16. List any two household electronic equipments/appliances. 17. What will be the resistance of open and short circuit? 18. Mention any two limitations of Ohm’s law. 19. Write the symbol of AC ammeter and DC voltmeter. 20. With appropriate diagram, write the expression for three inductors connected in series. 21. What are the factors upon which the time constant of R-L circuit depends? 22. How many diodes are used in a (i) Full wave centre tapped rectifier and (ii) Bridge rectifier. 23. Define transistor (BJT) and Write its current relation. . 24. Draw the symbol of AND gate. Write its output logical expression. 25. What are fixed regulators ? Name any one IC fixed regulator.
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