Electronics Engineering MCQs
Electronics Engineering MCQs
Our experts have gathered these Electronics Engineering MCQs through research, and we hope that you will be able to see how much knowledge base you have for the subject of Electronics Engineering by answering these multiple-choice questions.
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1: The type of transmission used for sound in TV transmission is
A. AM
B. PCM
C. FM
D. PWM
2: If a small value of capacitance is connected in parallel with a large value, the combined capacitance will be:
A. The same
B. Lower
C. Higher
3: What is the approximate characteristic voltage that develops across a red LED?
A. 1.7v
B. 3.4v
C. 5v
D. 0.6v
4: Name the three leads of a common transistor
A. Collector Base Emitter
B. Collector Bias Omitter
C. Emitter Collector Bias
D. Base Collector Case
5: An AM broadcase station transmits 2 KW of carrier power and uses an index of modulation 0.5. The total transmitted power is
A. 2.25 KW
B. 2 KW
C. 2.75 KW
D. 2.5 KW
6: The current in a circuit is 45mA. This is:
A. 0.045Amp
B. 0.00045A
C. 0.45A
D. 0.0045A
7: In a transistor when base-width decreases with increasing collector to base voltage, this phenomenon is called
A. Early Effect
B. Tunnelling
C. Thermal Runaway
D. Pinch-off
8: The condition for reciprocity of a two port network is
A. AD - BC = 0
B. AD - BC = 1
C. A = D
D. B = C
9: 1mA is equal to:
A. 0.00001A
B. 0.1A
C. 0.01A
D. 0.001A
10: Which of the following is a universal gate?
A. AND
B. XOR
C. OR
D. NOR
11: The number "104" on a capacitor indicates:
A. 100n
B. 10n
C. 1n
D. 0.1u
12: If the current in a circuit equals 0 A, it is likely that the
A. Voltage is too high
B. Resistance is too low
C. Circuit has a short
D. Circuit is open
13: A commercial superheterodyne radio receiver has its intermediate frequency chosen as
A. 955 KHz
B. 455 KHz
C. 255 KHz
D. 1055 KHz
14: The negative and positive charge symbols are assigned (in that order) to the:
A. Electron and element
B. Electron and proton
C. Proton and electron
D. Atom and nucleus
15: The bridge used for measurement of inductance is
A. Schering Bridge
B. Wheatstone Bridge
C. Anderson Bridge
D. Kelvin Double Bridge
16: Lissajou's figures are used in a CRO while measuring
A. Voltage Gain
B. Wave Form
C. Frequency
D. Voltage Magnitude
17: _____ is the process of determining how well other companies perform business functions or tasks.
A. Deskilling
B. Divesting
C. Benchmarking
D. Rebranding
18: A voltage source in a circuit provides electrical _________.
A. Pressure
B. Current
C. Voltage
19: An electric current of 5 amperes in a wire carries _________.
A. 5 coulombs per second
B. 5 volts per coulomb
C. 5 coulombs per joule
D. 5 joules per coulomb
E. 5 joules per ohm
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