19.9.10

Electronics Trivia 3

The value of disk capacitor


  • 100 pf

In voltage divider

  • the input resistance in the input side is low

MOSFET is high impedance because

  • its gate is insulated from other device.

Excitation is ___

  • energy needed for the electron orbit to increase

Electrostatic field in a pn junction that hole and electron must overcome

  • barrier

___ keeping the oscillation in the circuit

  • Flywheel Effect

___ used for computing inductance with unknown conductance

  • Maxwell bridge

___ is neglected in measurement of short transmission line

  • Shunt Admittance

Input signal in the control system that is not dependent on the output system

  • Command Input

___ use in vacuum welding 

  • Electron beam welding

How many times does a sine wave reaches zero from the 1st positive peak?

  • 2 times

Tank Circuits are also called

  • Anti-resonant Circuits

A logic operator that produces “0” if only if the inputs are all high

  • NAND gate

If you have infinite no. of resistor w/ 10 ?, 10 W specifications, what will you combine in series-parallel in order to obtain a 100 ?, 100 W connections?

  • 4 x  4

The rectangular coordinates represents?

  • The value of the horizontal plane & vertical plane

Point Contact Diode are commonly used on

  • RF Detectors

In designing Pre-Amplifiers, it is important to consider ___

  • Insertion Loss

It is a device used in 10-1000GHz frequency range?

  • IMPATT

Negative Feedback main advantage

  • Reduced gain, Increase bandwidth, and reduced distortion

Monolithic Packaging is usually in ___ ICs

  • Digital

Logic gates are for?

  • Logic decisions

Op Amp shunt regulator differs from series regulator because?

  • Its control element is in series with the line resistance

In Hall effect, the electric field is?

  • Normal to the current and magnetic field

The faster logic family?

  • ECL (Emitter Couple Logic)

Photo darlington comprises of?

  • A phototransistor and a transistor

Common emitter Configuration that is dependent of ß

  • Voltage Divider Bias

A High Q-tuned circuit amplifier is one with 

  • High selectivity

Subroutines is used large programming

  • To test the running time of the program

A continuous programming of robot path

  • Walkthrough

The internal impedance of an ideal op-amp

  • High impedance

The output impedance of an ideal op-amp

  • Very low impedance 

The input impedance of an ideal op-amp

  • Very high impedance

Which of the following described a common collector amplifier?

  • Voltage low gain

Which element cannot produce magnet?

  • Carbon

LED is basically_____

  • Forward bias

LED produce light 

  • when the electron return to its hole

A cell rate is

  • ampere per hour

Devices usually uses semiconductor

  • Solid State Devices

A type of cell that cannot be used until it dies

  • Nickel Cadmium

Why is solar cell used in satellite?

  • because it has unlimited battery life

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