Review On Electronics Question Preview (ID: 42268)


Op Amp Review. TEACHERS: click here for quick copy question ID numbers.

What is meant by a negative gain in the inverting amplifier
a) the gain was reduced
b) the voltage output is lower than the supply voltage
c) a positive voltage input will give a negative voltage output
d) there voltage output is decreasing

For the non inverting amplifier, the feed back is connected to the
a) positive supply voltage
b) negative supply voltage
c) non inverting input
d) inverting input

Which is not an advantage of using negative feedback
a) less distortion
b) infinite open loop voltage gain
c) stable gain
d) increased bandwidth

Which property describes the statement , signal with a range of frequencies have equal gain before the feed back is applied
a) infinite open-loop voltage gain
b) infinite bandwidth
c) infinite slew rate
d) zero output resistance

Which property describes the statement , There should be no lost volts when current is supplied by the op amp
a) infinite input resistance
b) infinite output current
c) infinite output resistance
d) infinite open-loop voltage gain

Which property describes the statement , There should be an instantaneous change in the output when input changes
a) infinite open loop voltage gain
b) infinite slew rate
c) infinite looping gain
d) infinite bandwidth

Which is NOT a properties of an ideal amplifier
a) infinite bandwidth
b) infinite open loop voltage gain
c) infinite slew rate
d) infinite output resistance

Which is not part of a senor
a) Processor
b) Power supply
c) Thermistor
d) output device

Which is not related to Piezo-electric crystals
a) piezo-electric effect
b) positive and negative ions
c) thin metal wire
d) transducer

When the voltage output is equal to the supply voltage, the op amp is said to be
a) concentrated
b) over rated
c) updated
d) saturated

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