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Dominik [7]
3 years ago
11

Al Quiz

Engineering
1 answer:
lbvjy [14]3 years ago
4 0
5000! Hope this helps! If you are confused feel free to ask again
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A differential amplifier is to have a voltage gain of 100. What will be the feedback resistance required if the input resistance
yuradex [85]

Answer:

required feedback resistance ( R2 ) = 100 k Ω

Explanation:

Given data :

Voltage gain = 100

input resistance ( R1 ) = 1 k ohms

calculate feedback resistance required

voltage gain of differential amplifier

\frac{Vout}{V2 - V1 }  = \frac{R2}{R1}

= Voltage gain =  R2/R1

= 100 = R2/1

hence required feedback resistance ( R2 ) = 100 k Ω

4 0
3 years ago
It is given that 50 kg/sec of air at 288.2k is iesntropically compressed from 1 to 12 atm. Assuming a calorically perfect gas, d
denis23 [38]

The exit temperature is 586.18K and  compressor input power is 14973.53kW

Data;

  • Mass = 50kg/s
  • T = 288.2K
  • P1 = 1atm
  • P2 = 12 atm

<h3>Exit Temperature </h3>

The exit temperature of the gas can be calculated isentropically as

\frac{T_2}{T_1} = (\frac{P_2}{P_1})^\frac{y-1}{y}\\ y = 1.4\\ C_p= 1.005 Kj/kg.K\\

Let's substitute the values into the formula

\frac{T_2}{T_1} = (\frac{P_2}{P_1})^\frac{y-1}{y} \\\frac{T_2}{288.2} = (\frac{12}{1})^\frac{1.4-1}{1.4} \\ T_2 = 586.18K

The exit temperature is 586.18K

<h3>The Compressor input power</h3>

The compressor input power is calculated as

P= mC_p(T_2-T_1)\\P = 50*1.005*(586.18-288.2)\\P= 14973.53kW

The compressor input power is 14973.53kW

Learn more on exit temperature and compressor input power here;

brainly.com/question/16699941

brainly.com/question/10121263

6 0
3 years ago
The purpose of pasteurizing milk is to
katen-ka-za [31]

Answer:

i think it c

Explanation:

6 0
3 years ago
Read 2 more answers
What safety mechanism is sometimes disabled on a nail gun leading you to
Irina-Kira [14]

Answer: The NRA uses the general term “trigger control” to describe the act of moving the trigger and firing the gun without disturbing aim. ... The best method of controlling a trigger, for all levels of shooters, is to move the trigger straight to the rear, firing the gun without disturbing aim.

Hoped this Helped!!!!!

5 0
4 years ago
Please read the short case at the end of Chapter 8, "Mary Barra of General Motors Values Culture". Use the following prompts to
Tom [10]

Answer: Incoherent question

Explanation: This is an act of plagiarism at subjecting the tutor to unnecessary stress at answering the purported question.

4 0
4 years ago
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