- Magnetic Deflection System.
For current working NPN BJT, the different electrode should have the following polarities with respect to emitter.
- collector + VE, base + VE
The PIV is applied across the diode when it is
- reverse bias
The word robot coined by
- Karel Capek
Semiconductor device that behaves two SCR
- Triac
4 bit data word
- nibble
A transistor amplifier with 85% efficiency is most likely
- Class C
A notching relay
- switches in response to specific number of impulses received
Johnson noise in an amplifier is a noise due to
- The act that electrons in resistor is carry slightly different amounts of energy
Special featured of I2L
- bipolar saturated logic
Oscillator that has the best frequency stability
- crystal
The SI unit of illuminance at a point of a surface
- lux
By degrees of freedom is meant to the number of __________ directions which the end effectors of a robot can be move.
- independent
Testing the blown cartridge fuse by connecting a test lamp from one clop to other suspected fuse is always indicating a:
- Blown fuse if lamp lights up.
Half adder can be constructed by
- One XOR and one OR and their inputs connected in parallel
Junction breakdown occurs when
- under reverse bias
The main job of a voltage regulation provide a nearly _____ output voltage
- constant
Capacitor is made up of
- two conductor separated by an insulator
A diode used as a voltage regulator
- Zener diode
An amplifier suffer from distortion when the output is
- different from the input
Astable multivibrator
- is an oscillator
What is the primary use of a megger?
- measure high resistance
The least effect of corona
- Atmospheric temperature
The change of direction of a needle in a compass, when current carrying wire is bought near
- electromagnetic deflection
Probability of occupancy of energy level
- fermilevel
What is the maximum voltage of 117 VRMS?
- 165 V
A comparator with hysteresis is?
- Schmitt Trigger
Why reason why it is practical to make extremely high voltage battery of cells is that?
- There isn’t any real need for such thing
The main advantage of full-wave rectifier over half wave rectifier is?
- Peak Voltage of full wave rectifier is half of the half-wave rectifier
Indicates the probability of occupancy of electron in an energy level by an atom?
- Fermilevel
Maximum number of electrons is 18
- M-shell
It is the sudden but energetic changes from one steady state to another.
- transition transient
Carries an intrinsic at room temperature
- both holes and electrons
When charging lead acid cell there is
- Increase in volume
This efficiency is always greater than 1?
- (Ah/Wh) Ampere-hour / (W/hr) Watt-Hour
The change or differential circuit on an SCR
- false trigerring
Current is uniformly distributed in the conductors cross-section if
- resistance of the conductor is equal to the ohmic value
Increase of reverse voltage of varicap or varactor diode causes its capacitance
- decreases
Amplifier that generates voltage with time
- voltage time-base generator
Number of card read per minute in card reader
- 10,000
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