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3 years ago

HURRY WILL MARK BRAINLIEST Farha makes the graphic organizer shown to review the characteristics of transistors.

Physics

1 answer:

BabaBlast [244]3 years ago

4 0

Answer:

C. It is made from three layers of semiconductors.

Explanation:

Bipolar transistors (pnp and npn) are usually made from a sandwich of three semiconductors layers. The main charge carriers are holes and electrons. An npn transistor has two semiconductor junctions that share a thin middle positively enhanced region (the material is enhanced with impurities rich in holes which are the positive charge carriers), and a pnp transistor has two semiconductor junctions that share a thin middle negatively enhanced region (material is enhanced with impurities rich in electrons, the negative charge carriers).

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A spherical balloon with radius r inches has volume V(r) = 4 3 πr3. Find an expression that represents the amount of air require

DerKrebs [107]

So the question ask to formulate an expression to represent the amount of air required to inflate the balloon from a radius of R+4 and the expression would be V=16pi/3*(3r^2+12r+16). I hope you are satisfied with my answer and feel free to ask for more if you have question and further clarifications

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3 years ago

In the picture below, a doctor is having a video conference with a patient. What might be a positive effect of the technology be

GarryVolchara [31]

Answer:

Sorry to say but where is the photo???

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Explanation:

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3 years ago

9. A soft drink distibutor drove west 11 km from Minnehaha to Nut Plains. She then turned around and drove back east for 209 km

guajiro [1.7K]

Answer:

220km

Explanation:

Given parameters:

Distance traveled from Minnehaha to Nut Plains = 11km

Distance traveled to Dover = 209km

Unknown:

The distance the soft drink distributor traveled = ?

Solution:

To solve this problem, we must understand that distance is the total length of path covered in a journey.

So;

Distance = 209km + 11km = 220km

The soft drink distributor covered 220km

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3 years ago

the waves created by two speed boats in the lake interact to form larger waves this is an example of

Kobotan [32]

Answer:

A. constructive interference.

Explanation:

brainliest please? :))

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3 years ago

What is the time period of vibration?

Y_Kistochka [10]

Answer:

A time period is denoted by 'T' . It is the time to complete one cycle of vibration. As the frequency of a wave increases, the time period of the wave decreases. The unit for time period is 'seconds

HOPE IT HELPS :)

PLEASE MARK IT THE BRAINLIEST!

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3 years ago