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Andrei [34K]
3 years ago
8

Who here is a genius?

Engineering
2 answers:
In-s [12.5K]3 years ago
7 0
I wish i was smart , haha..
Pachacha [2.7K]3 years ago
3 0

Answer:

im kinda smart  whyy?

Explanation:

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Sometimes, we need an amplifier with an accurate gain. Even using 1% tolerance resistors may not be sufficient to provide the re
vlabodo [156]

Answer:

The value of R_low is 13.1 kΩ while that of R_high is 36.8 kΩ

Explanation:

The diagram is as given as

The circuit is an inverting op amp for which the gain is given as

A_v=\dfrac{R_2+R}{R_1+R_z}

Here R2 is given as 450 kΩ.

R1 is given as 47 kΩ.

The gain is given as

A_v=-10\pm 0.5*\dfrac{10}{100}\\A_v=-10\pm 0.05

For the Lowest value of R the value of the internal resistance rz is 0 and the gain is -10+0.05 so

A_v=-\dfrac{R_2+R}{R_1+R_z}\\-10+0.05=-\dfrac{450+R_l_o_w}{47+0}\\-9.95=-\dfrac{450+R_l_o_w}{47+0}\\R_l_o_w=13.1

So the value of R_low is 13.1 kΩ

For the Highest value of R the value of the internal resistance rz is 1 kΩ and the gain is -10-0.05 so

A_v=-\dfrac{R_2+R}{R_1+R_z}\\-10-0.05=-\dfrac{450+R_{high}}{47+1}\\-10.05=-\dfrac{450+R_{high}}{47+1}\\R_{high}=36.8

So the value of R_high is 36.8 kΩ

5 0
3 years ago
What is the weight of a glider with a mass of 5.3 grams? (Hint: watch your units!)
Vinvika [58]

Answer: 0.053

Explanation:

So, we convert 5.3 grams into kilograms.

5.3g = 0.0053 kg (Since 1kg equals 1000g)

On Earth, gravity is 10 N/kg.

Weight = mass x gravity

Weight = 0.0053kg x 10 N/kg

Weight = 0.053 Newtons (On Earth)

6 0
3 years ago
A positively charged electric has a charge of 2 Coulombs. If 12.5x10^18 free electrons are added to it, what will be the net cha
vitfil [10]

The net charge on the said dielectric is 0

1C = 6.25 * 10¹⁸ electrons; hence:

-12.5x10¹⁸ free electrons = (-12.5x10¹⁸ free electrons * (1C/ 6.25 * 10¹⁸ electrons))

-12.5x10¹⁸ free electrons = -2 C

A positively charged electric has a charge of 2 Coulombs, hence:

Q₁ = 2C

12.5x10¹⁸ free electrons are added to it, hence:

Q₂ = -2C

Net\ charge(Q_{net})=Q_1+Q_2=2C+(-2C)=0

Hence the net charge on the said dielectric is 0

Find out more at: brainly.com/question/10464929

3 0
2 years ago
Read the sentences. Use the word in bold to help you answer the question
Molodets [167]

Answer:

full of happiness

6 0
3 years ago
What is the area of the triangle?v
lana66690 [7]

Answer: A=h*bb/2

Explanation:

6 0
3 years ago
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