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inessss [21]
2 years ago
8

The p-type or N-type semiconductor is not of practical use. Why?​

Physics
1 answer:
Savatey [412]2 years ago
6 0

Explanation:

The p-type semiconductor doesn't have greater energy than the n-type semiconductor. This is because the semiconductor itself doesn't really have an energy. Charge carriers (electrons/holes) have energies. The relative positioning of the bands tell you how much energy an electron or a hole must have for it to exist.

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vodomira [7]

Answer:

The answer is Phase Change

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3 years ago
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Which statement best describes perigee?
pantera1 [17]

Answer:

A. The closest point in the Moon's orbit to Earth

Explanation:

The perigee is defined as the closest point in the orbit of an object (such as a satellite) from the centre of the Earth. In this case, the Earth's satellite is the Moon, so the perigee is defined as the closest point in the Moon's orbit to Earth. so option A is the correct one.

Let's see instead the names of the other options:

B. The farthest point in the Moon's orbit to Earth  --> this point is called apogee

C. The closest point in Earth's orbit of the Sun  --> this point is called perihelion

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3 years ago
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How are musical instruments grouped?
rosijanka [135]

A and B are equivalent.  That's one way instruments are often grouped. (the "sopranos", the "altos", the "bass")

C is another way instruments are often grouped; (the "woods", the "brass")

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3 years ago
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A large box slides across a frictionless surface with a velocity of 12 m/s and a mass of 4
denpristay [2]
Answer= 8m/s

Because total Momentum before= total momentum after

Momentum before (p=mu)
p=(4)(12)= 48
p=2(0)=0
So total momentum before=48

Momentum after (p=mu)
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Mb=Ma
48=6u
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3 0
2 years ago
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3241004551 [841]

Answer:

In a medium

Explanation:

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