Pls show neat and whole solution. 1. Calculate the power out put of an amplifier that has an input of20 mW and a gain of 20 dB.2. Calculate the voltage output of the differential amplifier shownif the gain is 12 dbv.ZV->>-5V-->3. Calculate the power gain of an attenuator that has an input of2.5 Watts and an output of 0.5 Watt.

Step 1: Step 2: Step 3: Step 4:

Answered: 1. Calculate the power out put of an…

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and current relationships change? (a) If C1 is the complex positive-sequence voltage gain in Problem 3.29 and (b) if C2 is the negative sequence complex voltage gain, express the relationship between C1andC2
In an R-L parallel circuit, IT=1.25 amps, R=1.2k, and XL=1k. Find IR
From a cost standpoint, which system is more economical to install: a master amplifier distribution system or a multiset coupler? Explain the basic differences between these two systems. _______________
Explain the difference between cumulative- and differential-compounded connections.
4. What is frequency?
What is CEMF?
Briefly explain the function of a transfer switch. _____
At what height are the telephone outlets in this residence mounted? Give measurement to center. _____
An office building uses a bank of 63 lead-acid cells connected in series with a capacity of 80 amp-hours each to provide battery backup for their computers. The lead-acid cells are to be replaced with nickel-metal hydride cells with a capacity of 40 amp-hours each. How many nickel-metal hydride cells will be required to replace the lead-acid cells and how should they be connected?
The temperature dependence of resistance is also quantified by the relation R2=R1[ 1+(T2T1) ] where R1 and R2 are the resistances at temperatures T1 and T2, respectively, and is known as the temperature coefficient of resistance. If a copper wire has a resistance of 55 at 20C, find the maximum permissible operating temperature of the wire if its resistance is to increase by at most 20. Take the temperature coefficient at 20C to be =0.00382.
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