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Harman [31]
3 years ago
7

Do transistors amplfy a.c or d.c​

Physics
2 answers:
Papessa [141]3 years ago
7 0

Answer:

Yes,by using direct coupling(transistors) amplifier we will amplify low frequency (DC) signals. A transistor is certainly capable of taking a small-current input signal and controlling a high-current output at the same voltage, thereby amplifying the power of the input signal whether it's AC or DC.

Can you give me brainliest?please?

Gnoma [55]3 years ago
5 0

Explanation:

thet amplify DC, because of the voltage ( small current input signal)

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A load of 54 N attached to a spring that ishanging vertically stretches the spring 0.15 m.What is the spring constant?Answer in
beks73 [17]

Answer:

300 N/m

Explanation:

given,

Load attached to the spring, W = 54 N

length of stretch of the spring, x = 0.15 m

spring constant= ?

Force applied on the spring is calculated by the equation

F = k x

where k is the spring constant

x is the displacement of the spring due to applied load

now,

54 = k × 0.15

k = \dfrac{54}{0.15}

k =300\ N/m

hence, the spring constant is equal to 300 N/m

8 0
3 years ago
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At the surface of Venus the average temperature is a balmy 460∘C due to the greenhouse effect (global warming!), the pressure is
yanalaym [24]

Answer:

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c) 645 m/s

Explanation:

See attachment for calculations on how i arrived at the answer

8 0
3 years ago
Hari planted to go abroad. change into negative​
marishachu [46]

Answer:

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Explanation:

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7 0
3 years ago
A amusement park moves riders in a circle at a rate of 6.0m/s if the radius is 9.0 meters what is the acceleration of the ride
oksano4ka [1.4K]

Centripetal acceleration is (speed-squared) / (radius)

CA = (6 m/s)² / (9 m)

CA = (36 m²/s²) / (9 m)

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4 0
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Why is there zero current when a light bulb burns out?
kozerog [31]

The circuit is no longer closed.

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