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Instruction:
- Total number of questions : 20.
- Time alloted : 30 minutes.
- Each question carry 1 mark, no negative marks.
- DO NOT refresh the page.
- All the best :-).
| 1. | In a BCD-to-seven-segment converter, why must a code converter be utilized? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Learn more problems on : Combinational Logic Circuits Discuss about this problem : Discuss in Forum |
| 2. | How many NAND circuits are contained in a 7400 NAND IC? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Logic Gates Discuss about this problem : Discuss in Forum |
| 3. | What happens when moving expanding lines of force encounter a conductor? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Inductors Discuss about this problem : Discuss in Forum |
| 4. | The number 24.5, rounded to two significant digits, is 25. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Quantities and Units Discuss about this problem : Discuss in Forum |
| 5. | Resistance is the same as impedance in an RC circuit. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : RC Circuits Discuss about this problem : Discuss in Forum |
| 6. | Initially, the closed-loop gain (Acl) of a Wien-bridge oscillator should be |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Basic Op-Amp Circuits Discuss about this problem : Discuss in Forum |
1| 7. | What starts a free-running multivibrator? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Learn more problems on : Operational Amplifiers Discuss about this problem : Discuss in Forum |
| 8. | A sine wave reaches maximum positive voltage at: |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Alternating Current vs Direct Current Discuss about this problem : Discuss in Forum |
| 9. |
In the given circuit, the voltage dropped across R1 equals _____. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Series-Parallel Circuits Discuss about this problem : Discuss in Forum |
| 10. | The total current entering a junction may be different from the total current leaving the junction. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Parallel Circuits Discuss about this problem : Discuss in Forum |
| 11. | The main purpose of an instrumentation amplifier is to amplify small signals riding on large common-mode voltages. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Special-Purpose Op-Amp Circuits Discuss about this problem : Discuss in Forum |
| 12. | A capacitor has 25 V across its plates and a stored charge of 1500 |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Capacitors Discuss about this problem : Discuss in Forum |
C. What is the capacitance value?| 13. | An 8 V power source is charging a capacitor. How many volts will be across the capacitor at the second time constant? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Learn more problems on : Capacitors Discuss about this problem : Discuss in Forum |
| 14. | What is the current through the zener diode? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Diodes and Applications Discuss about this problem : Discuss in Forum |
| 15. | What is wrong with this diode? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Learn more problems on : Diodes and Applications Discuss about this problem : Discuss in Forum |
| 16. | Which statement below best describes a Karnaugh map? |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Logic Circuit Simplification Discuss about this problem : Discuss in Forum |
| 17. | When a transistor is operating as a variable resistor it has transistance. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Bipolar Junction Transistors (BJT) Discuss about this problem : Discuss in Forum |
| 18. | For a C-C configuration to operate properly, the collector-base junction should be reverse biased, while forward bias should be applied to which junction? |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Bipolar Junction Transistors (BJT) Discuss about this problem : Discuss in Forum |
| 19. | A compiler is a translation program that converts high-level instructions into a set of binary instructions (machine code) for execution. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Learn more problems on : Computer Hardware and Software Discuss about this problem : Discuss in Forum |
| 20. | Increasing the number of magnetic poles in a basic generator will ___. |
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Your Answer: Option (Not Answered) Correct Answer: Option B Learn more problems on : Alternating Current and Voltage Discuss about this problem : Discuss in Forum |