Electronics Trivia 6

Tapped coil

• hartley

Word size use in largest computers

• 64

It is where the fermilevel lies

• forbidden band

When IB current increase

• IE and IC increases

Components of microprocessor

• ALU and control unit

Instrument that measures temperature variation due to change in metallic resistance

• bolometer

Determines the inductance of a circuit

• Maxwell-Wien bridge

Composed of JK, RS flip flop and an inverter

• D flip-flop

Operates in depletion mode only

• JFET

The change in power level when power output is double.

• 3 dB

The effect of which the collector base junction exceeds in maximum reverse bias voltage or active region, thus, breakdown occurs.

• Punch through effect

The independence of diode current due to temperature effect.

• Voltage equivalent temperature

Inexpensive and needs no adjustment

• RC Coupling (audio low-level amplifier)

Part of intrinsic semiconductor where the electrons are active.

• conduction band

4 bits

• 1 nibble

1 byte

• 2 nibbles

Sudden instantaneous change in input current from the steady state conditions

• step input

Use to store most recently read data and frequently read data

• cache memory

Use to measure frequency and unknown capacitance with great accuracy

• Wien-bridge

Due to change in neutron of an atom

• Isotope

The speed or velocity of an electron when electric field applied

• drift velocity or drift speed

To minimize the eddy current loss in an inductor.

• core laminated

Selenium arsenide typical voltage

• 1 volt

Ability of material to produce magnetic line of flux and capable of interacting other magnetic fields

• magnetism

Has the same rate and decay

• triangular wave

Examples of output devices in a computer system

• screen and printer

Working envelope of the robot manipulator

• range of the axis motion

99.9% of pure gold has conductivity 

• 72.6%

What is form by adding parallel inputs to the inverted amplifier?

• Inverting summer amplifier or Inverting adder

Wheatstone bridge is used in measuring resistances in range?

• 1O to few MO

Magnetic amplifier is a power amplifier with frequency response normally limited to?

• 100 Hz or below

Corona results in?

• Radio interference

What is the advantage does a Bridge rectifier have over Center tapped Full wave rectifier?

• Bridge rectifier produces twice the voltage at the same size transformer

The Half wave voltage doubled is made up of how many half wave rectifiers?

• 2

What capacitor is polarized?

• Electrolytic

Synchronous Capacitor is?

• Over-excited synchronous motor running without mechanical load.

The packing factor of Face-centered cubic crystalline structure is?

• 0.74

The development process by Monocrystalline structure cooling of a molten mass substance is called?

• Crystal growth

What is the operating temperature of Class B motor?

• 130 °C

The Vector is a quantity that has?

• Magnitude and Direction