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choli [55]
3 years ago
8

An amplifier which needs a high input resistance and a high output resistance is : Select one: a. A voltage amplifier b. None of

these c. A transresistance amplifier d. A current amplifier e. A transconductance amplifier Clear my choice
Engineering
1 answer:
True [87]3 years ago
3 0

Answer:

None of these

Explanation:

There are different types of amplifiers, and each has different characteristics.

  • Voltage amplifier needs high input and low output  resistance.
  • Current amplifier needs Low Input and High Output  resistance.
  • Trans-conductance amplifier Low Input and High Output resistance.
  • Trans-Resistance amplifier requires High Input and Low output  resistance.

Therefore, the correct answer is "None of these "

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E = \frac{2.5 m \cdot 6.0 \cdot 10^{6} m^{2} + 5 m^{3}/s \cdot 3.15 \cdot 10^{7} s - 2.5 \cdot 10^{6} m^{3} - 4 m^{3}/s \cdot 3.15 \cdot 10^{7} s}{6.0\cdot 10^{6} m^{2}}                                  

E = 7333.33 mm

Therefore, the annual evapotranspiration amount is 7333.33 mm.

I hope it helps you!  

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