19.9.10

Electronics Trivia 1






Made up of sine wave with fundamental frequency and its entire harmonics.
  • Sawtooth Wave
Graph of Impedance in vertical axis
  • Voltage or current accompanies with reactive components
 A wiring diagram would be found mostly in:
  • Service/Repair manual in radio receiver
 Inductor works in
  • stores energy in the magnetic field
 A zener diode exhibits
  • constant voltage, varying current
In positive logic circuit, the logic “1” represents
  • High level
 It converts high language to machine language
  • Compiler
Open circuit test are to measure?
  • Core Loss
 Short Circuit test on transformer is done by?
  • shorter the smaller voltage winding
Regulation is used to?
  • Maintain a constant level of supply
When its electron tubes are applied with a high voltage, it emits lights?
  • Phototube
Transistor Packaging used during the time of transistor?
  • Transistor Outline Package
The ability of magnetic material to retain magnetism even if the magnetic supply was switch to zero?
  • Residual Magnetism
 Lightning Arrester is usually placed? 
  • near the transformer
 Used to eliminate the use of inductive elements
  • RC synthesis
 During this potential conduction exist after being idle?
  • Offset Potential/Threshold Potential
This influence must be considered during recombination?
  • Emission Coefficient
At mid frequency, the loss at lower half frequency is?
  • 3dB
 Error that is due to inexperience of the user?
  • Gross Error or Personal error
 This is used to limit variations in amplitude?
  • Limiter
 Used to have amplification and when saturated it will stay saturated to that level even if increase in bias?
  • Level Clamp
The most commonly used FET amplifier for voltage amplification?
  • Common Source Amplifier
 The most simple converter used for motor?
  • Half wave converter
 The difference in angle between two vectors?
  • Phase Difference
 Discovered that the radius of an atom is 10 -14 m?
  • Ernest Rutherford
 The Output of 175 VDC rectifier circuit?
  • Pulsating DC
 The most influential factor for conductivity?
  • Electron Structure
 The one that holds the current register of instructions?
  • Instruction register
 Alkaline?
  • are better used on radios compare to zinc-carbon cell
 Lead Acid is about?
  • 2.1 Volts
 The one with highest input impedance?
  • MOSFET
 A variation of Colpitts oscillation that use net inductive reactance on its circuits w/ 2 capacitor elements?
  • Clapp Oscillator
 Surge impedance of cable
  • 50
 An overexcited synchronous motor running   without mechanical load
  • Synchronous capacitor
 Type of resistors connected parallel w/ capacitor in power supply
  • Bleeder resistor
 Voltage Regulation is negative when bad power factor is
  • Leading
 Corona is likely to occur at
  • Transmission Line
 Duty cycle of square wave 
  • 1:2

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