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Test Description: Op amp Review

Instructions: Answer all questions to get your test result.

1) Which is not part of a senor

Aoutput device BThermistor CProcessor DPower supply

2) Which is not related to Piezo-electric crystals

Atransducer Bthin metal wire Cpiezo-electric effect Dpositive and negative ions

3) Which is NOT a properties of an ideal amplifier

Ainfinite bandwidth Binfinite slew rate Cinfinite open loop voltage gain Dinfinite output resistance

4) Which property describes the statement , There should be an instantaneous change in the output when input changes

Ainfinite open loop voltage gain Binfinite bandwidth Cinfinite slew rate Dinfinite looping gain

5) Which property describes the statement , There should be no lost volts when current is supplied by the op amp

Ainfinite output current Binfinite open-loop voltage gain Cinfinite input resistance Dinfinite output resistance

6) Which property describes the statement , signal with a range of frequencies have equal gain before the feed back is applied

Ainfinite slew rate Binfinite open-loop voltage gain Cinfinite bandwidth Dzero output resistance

7) Which is not an advantage of using negative feedback

Ainfinite open loop voltage gain Bless distortion Cincreased bandwidth Dstable gain

8) For the non inverting amplifier, the feed back is connected to the

Apositive supply voltage Binverting input Cnon inverting input Dnegative supply voltage

9) What is meant by a negative gain in the inverting amplifier

Athe voltage output is lower than the supply voltage Bthere voltage output is decreasing Ca positive voltage input will give a negative voltage output Dthe gain was reduced

10) When the voltage output is equal to the supply voltage, the op amp is said to be

Asaturated Bconcentrated Cover rated Dupdated

*select an answer for all questions

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