- Shockley Diode
What motor characteristic is affected by counter emf?
- Speed
What is the greater threat for diode?
- Heat
What amplifier has the highest degree of fidelity?
- Class A
Mechanical Computer is considered to what type?
- Analog
What is the power source of synchrous?
- AC
How is EPROM erased?
- With a burst of ultra violet rays
What meter is used to measure insulation resistance?
- Megger
What is the greatest advantage of a VOM?
- No external power is required
What is the output of half wave rectifier?
- Half wave rectified signal
Transistor battery best fits in___
- Electronic Calculator
Hexagonal closed packed crystalline___
- Zinc
In IC fabrication, the minimum distance between features
- Geometry
In power supply design, 15 VDC output 20 VAC inputs which are not required?
- UPS
High sensitivity substance
- Permanent Magnet
Ferromagnetic Materials
- Concentrates magnetic flux line within itself
In RL plane, what is shown?
- unique combination of resistive and inductive reactance.
It increases inductance in the inductor
- Ferromagnetic Core
What are the advantages of metal oxide semiconductor?
- Sensitive an can be damage electro statically
A DC voltmeter is high sensitive and accurate in measuring
- High resistance circuit
A net electric charge in an isolated system remains constant
- Law of Conservation of Charge
A change of crystal frequency when L or C connected in parallel
- 0.1 %
DC armature resistance
- 0.5
In context of corona, if the conductor is polished and smooth which statement is true?
- Corona glows uniformly along the length of conductor
Maximum change of power that a normal human can hear
- 1 dB
An error which cannot be correct through calibration or any method of control which source is unknown
- Random Error
Minimum increment measurable with certainty in instrument
- Resolution
Which of the following is not a sinusoidal wave generator?
- Multivibrator
Meter movement uses current induced in thermocouple by heating the resistive element.
- Thermocouple Meter Movement
It is the movement of holes
- Hole Current
Refers to the mean time of which the excess of electrons and holes exists before they recombined and disappeared
- excess carrier lifetime
The process of adding impurities in pure semiconductor.
- Doping
A periodic waveform possessing half symmetry has no.
- Even harmonics
In BJT, IB=100µA and IC=10mA what is the range of beta?
- 1.01 to 10
When two simple low pass filter having the same values of R and C in cascaded the combined filters will have a roll off of
- -40dB/decade
The input impulses gets converted to spike on the alternating polarities using a high pass RL circuit with small time constant.
- peaking
A circuit used to generate a rectangular waveform and hence used to gate to other circuit.
- gating circuit
The circuit is tuned by changing the voltage applied at resonance frequency.
- electrical tuning
Non sinusoidal waveform are made up of
- different sinusoidal waveform
The most useful AC Bridge for comparing capacitances of two air capacitors.
- De Sauty Bridge
No comments:
Post a Comment