Electronics

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Q. What is the typical frequency of household AC in the United States?
  • A. 50 Hz
  • B. 60 Hz
  • C. 100 Hz
  • D. 120 Hz
Q. What is the typical input impedance of a BJT in common-emitter configuration?
  • A. Low
  • B. Medium
  • C. High
  • D. Very high
Q. What is the typical input impedance of a BJT in the common-emitter configuration?
  • A. Low
  • B. Medium
  • C. High
  • D. Very high
Q. What is the typical input impedance of a FET compared to a BJT?
  • A. Higher
  • B. Lower
  • C. Equal
  • D. Variable
Q. What is the typical input impedance of an ideal op-amp?
  • A. Zero ohms
  • B. Infinite ohms
  • C. 1000 ohms
  • D. 10,000 ohms
Q. What is the typical open-loop gain of an ideal op-amp?
  • A. 1
  • B. 10
  • C. 1000
  • D. Infinity
Q. What is the typical open-loop gain of an operational amplifier?
  • A. 1
  • B. 10
  • C. 100
  • D. 100,000
Q. What is the typical output impedance of a FET in the saturation region?
  • A. Low
  • B. High
  • C. Zero
  • D. Variable
Q. What is the typical output impedance of an ideal op-amp?
  • A. Zero ohms
  • B. Infinite ohms
  • C. 100 ohms
  • D. 1 kilo-ohm
Q. What is the typical voltage drop across a silicon diode when it is conducting?
  • A. 0.1V
  • B. 0.3V
  • C. 0.7V
  • D. 1.5V
Q. What is the typical voltage drop across a silicon diode when it is forward-biased?
  • A. 0.2V
  • B. 0.7V
  • C. 1.2V
  • D. 1.5V
Q. What is the typical voltage gain of an ideal operational amplifier?
  • A. 1
  • B. 0
  • C. Infinity
  • D. 10
Q. What is the unit of charge?
  • A. Coulomb
  • B. Ampere
  • C. Volt
  • D. Ohm
Q. What is the unit of current?
  • A. Volt
  • B. Ohm
  • C. Ampere
  • D. Watt
Q. What is the unit of energy?
  • A. Joule
  • B. Watt
  • C. Volt
  • D. Coulomb
Q. What is the unit of power?
  • A. Watt
  • B. Volt
  • C. Ampere
  • D. Ohm
Q. What is the unit of resistance in Ohm's Law?
  • A. Volts
  • B. Amperes
  • C. Ohms
  • D. Watts
Q. What is the unit of time constant?
  • A. Seconds
  • B. Ohms
  • C. Farads
  • D. Henries
Q. What is the unit of voltage?
  • A. Coulomb
  • B. Ohm
  • C. Volt
  • D. Farad
Q. What is the waveform shape of Alternating Current (AC)?
  • A. Square wave
  • B. Sine wave
  • C. Triangular wave
  • D. Constant wave
Q. What is the waveform shape of Alternating Current?
  • A. Square wave
  • B. Sine wave
  • C. Triangular wave
  • D. Constant voltage
Q. What type of capacitor is commonly used for high-frequency applications?
  • A. Electrolytic capacitor
  • B. Ceramic capacitor
  • C. Tantalum capacitor
  • D. Film capacitor
Q. What type of core material is commonly used in transformers?
  • A. Air
  • B. Copper
  • C. Silicon steel
  • D. Aluminum
Q. What type of device is a BJT?
  • A. Voltage-controlled device
  • B. Current-controlled device
  • C. Temperature-controlled device
  • D. Frequency-controlled device
Q. What type of FET is commonly used for switching applications?
  • A. JFET
  • B. MOSFET
  • C. BJT
  • D. IGBT
Q. What type of inductor is commonly used in RF applications?
  • A. Air core inductor
  • B. Iron core inductor
  • C. Ferrite core inductor
  • D. Water core inductor
Q. What type of logic function can be implemented using a PLD?
  • A. Only AND functions
  • B. Only OR functions
  • C. Any combinational logic function
  • D. Only sequential logic functions
Q. What type of rectifier allows current to flow in both directions but only during one half of the AC cycle?
  • A. Full-wave rectifier
  • B. Half-wave rectifier
  • C. Bridge rectifier
  • D. Zener rectifier
Q. What type of rectifier allows current to flow in only one direction?
  • A. Zener rectifier
  • B. Half-wave rectifier
  • C. Full-wave rectifier
  • D. Bridge rectifier
Q. What type of rectifier is commonly used in power supply circuits for semiconductor memory?
  • A. Half-wave rectifier
  • B. Full-wave rectifier
  • C. Bridge rectifier
  • D. Zener rectifier
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