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Electronics Engineering MCQ

Electronics Engineering MCQ

1. An electric current of 5 amperes in a wire carries _________.

Answer

Correct Answer: 5 joules per coulomb

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2. A voltage source in a circuit provides electrical _________.

Answer

Correct Answer: Pressure

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3. _____ is the process of determining how well other companies perform business functions or tasks.

Answer

Correct Answer: Benchmarking

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4. Lissajou's figures are used in a CRO while measuring

Answer

Correct Answer: Frequency

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5. The bridge used for measurement of inductance is

Answer

Correct Answer: Anderson Bridge

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6. The negative and positive charge symbols are assigned (in that order) to the:

Answer

Correct Answer: Electron and proton

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7. A commercial superheterodyne radio receiver has its intermediate frequency chosen as

Answer

Correct Answer: 455 KHz

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8. If the current in a circuit equals 0 A, it is likely that the

Answer

Correct Answer: Circuit is open

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9. The number "104" on a capacitor indicates:

Answer

Correct Answer: 0.1u

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10. Which of the following is a universal gate?

Answer

Correct Answer: NOR

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11. 1mA is equal to:

Answer

Correct Answer: 0.001A

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12. The condition for reciprocity of a two port network is

Answer

Correct Answer: AD - BC = 1

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13. In a transistor when base-width decreases with increasing collector to base voltage, this phenomenon is called

Answer

Correct Answer: Early Effect

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14. The current in a circuit is 45mA. This is:

Answer

Correct Answer: 0.045Amp

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15. An AM broadcase station transmits 2 KW of carrier power and uses an index of modulation 0.5. The total transmitted power is

Answer

Correct Answer: 2.25 KW

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16. Name the three leads of a common transistor

Answer

Correct Answer: Collector Base Emitter

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17. What is the approximate characteristic voltage that develops across a red LED?

Answer

Correct Answer: 1.7v

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18. If a small value of capacitance is connected in parallel with a large value, the combined capacitance will be:

Answer

Correct Answer: Higher

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19. The type of transmission used for sound in TV transmission is

Answer

Correct Answer: FM

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