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aleksklad [387]
3 years ago
15

Errors in the output voltage of an actual integrated circuit operational amplifier can be caused by : Select one:

Engineering
1 answer:
natta225 [31]3 years ago
7 0

Answer:

Option B

Explanation:

An operational amplifier usually has a high open loop gain of around 10^5 which allows a wide range get of feed back levels in order to achieve the desired performance so therefore a low open loop gain reduces the range feed back level thereby reducing the performance which can cause errors in the output voltage.

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A heat engine that rejects waste heat to a sink at 520 R has a thermal efficiency of 35 percent and a second- law efficiency of
xeze [42]

Answer:

The source temperature is 1248 R.

Explanation:

Second law efficiency of the engine is the ratio of actual efficiency to the maximum possible efficiency that is reversible efficiency.

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Temperature of the heat sink is 520 R.

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Calculation:  

Step1

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Step2

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The heat engine is shown below:

Thus, the source temperature is 1248 R.

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