- Duty cycle
A variable reluctance stepper motor is constructed of ________ material with salient pole
- ferromagnetic
A device that is clipped onto an in circuit, dual-in line package (DIP) logic IC that determines the state of each pin of the IC:
- logic clip
The electrode of an alkaline cell
- Potassium hydroxide
The simplest bridge that is use to measure medium resistances:
- Wheatstone Bridge
An ammeter should have an ideal _____ ohms:
- Zero
An ac bridge which measures mutual inductance:
- Heaviside Bridge
A four-arm ac bridge that measure inductance against standard capacitance:
- Maxwell Bridge
Equivalent circuit of plus one diode and two resistor
- UJT
Comprise of systematic element of mechanical,electronics engineering, computer studies and control theory.
- Robotics
A diode operating at 50 volt PIV and rectifying 50 volt AC most likely to break because
- PIV is less compare to its input
All or nothing in a relay operation,
- the higher value picks up and lower value picks down
Candela is SI unit for
- luminous intensity
In robotics, prismatic is robot axes moves
- at a straight line.
________cannot be attain its characteristics so connecting feedback is needed.
- Higher sacrifies factor
Positive feedback in an amplifier
- Oscillator
In serial communication NRZI means
- non return to zero inverted
In a motor two to three hours life is
- lost when connected in a non factored load
Introduced by IBM
- Bytes
It is programming of a control set of a computer
- Microprogramming
At 95 MHz frequency, Air core inductors is
- often used
____is composed of fundamental frequency of the harmonic
- Square wave
____is network of inductor and capacitor
- L network
____ in series with capacitor and parallel inductor, transform impedance and is a high pass filter.
- T network
What is the difference between rheostat and potentiometer?
- rheostat carries much higher current capacity
The easiest way of measuring amplitude in an oscilloscope
- peak to peak voltage
Op Amps high gain, differential amplifier hose characteristic is determined
- by external elements
LED and Phototransistor
- Opto-isolator
Often used as voltage reference source
- Weston cell
ELI:
- voltage leads current 90 electrical degrees
An LC oscillator having 2XC and 1 XL
- Colpitts
A negative-resistance microwave diode having a thin slice of semiconductor material sandwiched between 2 metal conductors is called ______.
- PIN diode
Negative Feedback reduces distortion in an amplifier only when:
- It is generated within the amplifier
When a BJT is employed as an amplifier, it operates:
- Over the active region
A circuit used to produce delays
- Monostable multivibrator
Common Collector (CC) amplifier
- highest current gain
An ideal voltage regulator has a voltage regulation of:
- 0
Main components of a microprocessor
- ALU and control unit
In positive logic, logic state “1” corresponds to _____
- higher voltage level
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