Q.1
CMRR is more in __________
Q.2
If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be
Q.3
An ammeter is connected in ___________ with the circuit element whose current we wish to measure
Q.4
If a multimeter has a sensitivity of 1000 Ω per volt and reads 50 V full scale, its internal resistance is ___________
Q.5
Raising input impedance of pre amplifier reduces
Q.6
Bonded wire strain gauges are
Q.7
An electrometer amplifier has high input impedance of
Q.8
Venturi is associated with
Q.9
Power amplifier is provided with
S1: Cross over distortion compensation
S2: Offset control
Q.10
The draw backs of strain gauges are
S1: Low fatigue life
S2: They are expensive, brittle and sensitive to temperature
S3: Poor linearity
Q.11
A ___________ is usually a display device used to produce a paper record of analog wave form.
Q.12
____________ fiber is used in interferometric instruments.
Q.13
S1: Transducer is a device which converts physical into electrical quantity
S2: Transducer is also called as sensor.
Q.14
The principle of operation of variable resistance transducer is
Q.15
A VTVM has ___________ input resistance than that of a multimeter
Q.16
Piezo-electric transducers are
Q.17
The amplifier which has no drift is called as
Q.18
Function of microscope is
S1: To magnify object, under observation
S2: To resolve the object
Q.19
In wire wound strain gauges, the change in resistance is due to
Q.20
Isolation amplifiers are also called as
Q.21
A galvanometer in series with a high resistance is called ___________.
Q.22
The decibel is a measure of
Q.23
When the input of differential amplifier V1 = 0, then the differential amplifier is said to be operated in
Q.24
When either one of the inputs to the differential amplifier is equal to zero then it is said to be operated in
Q.25
The writing speed of fast storage oscilloscope is
Q.26
Resolution of a transducer depends on
Q.27
The use of storage oscilloscope
S1: Viewing rapidly changing non repetitive wave forms
S2: Recording average values
Q.28
Fidelity represents
S1: Reproduction of signal
S2: Reproduction of phase relation
Q.29
In an amplifier, the coupling capacitors are employed for
Q.30
Resistively generated inference arises through incorrect __________________.
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