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Andrew [12]
3 years ago
10

Name and draw the devices that can convert digital signal to analog.

Physics
1 answer:
Elodia [21]3 years ago
3 0

Answer:

modem, digital music players, optical communication

Explanation:

Photos of devices are attached. An example of R2R logic circuit is also attached. DAC conversion is also done via pulse code modulation

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Which of the following occurs when charging by rubbing? A. Electrons are created through friction. B. Protons combine with neutr
Lady_Fox [76]

The correct answer to the question is- C).Electrons are ripped off one material and held tightly by the other material.

EXPLANATION:

Before going to answer this question, first we have to understand the charging by friction.

There are three modes of charging a body, which are known as friction,conduction, and induction.

Friction: Friction is the type of charging a body due to the actual transfer of electrons when two substances of different electron affinities are rubbed with each other. During rubbing, the electrons from less electron affinity substance will be transferred to high affinity substance.

The substance which will accept electrons gets negatively charged, and the other substance will be positively charged.

There will be no transfer of protons from one substance to another as protons are bound inside the nuclei of atoms.

Hence, the correct answer to the question is that electrons are ripped off one material and held tightly by the other material.

5 0
3 years ago
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Difference between wavefront and wavelet​
Gnesinka [82]

Answer:

why don't you just look on Google

Explanation:

just search it up on Google lol

7 0
2 years ago
Which of the following is a vector: a person’s height, the altitude on Mt. Everest, the velocity of a fly, the age of Earth, the
sdas [7]

Answer:

the acceleration of gravity

Explanation:

7 0
2 years ago
Variable reinforcement schedules generally demonstrate greater resistance to extinction than fixed reinforcement schedules. T F
makvit [3.9K]

Answer:

TRUE!

Variable reinforcement schedules generally demonstrate greater resistance to extinction than fixed reinforcement schedules

Explanation:

edge 2020:D

6 0
3 years ago
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The table shows test data for a corvette, one of the fastest cars made in the US. The car is moving in a straight line (the x-ax
anzhelika [568]

<u>Answer</u>

part 1) 3.746 m/s²

Part 2) 0.6096 m/s²


<u>Explanation</u>

Acceleration is the rate of change of speed.

It is calculated as follows:

Acceleration = Change in speed/change in time

a = (v - u)/t

Part 1

1mi/h = 0.44704 m/s

60 mi/h = 60 × 0.44704

= 26.8224 m/s

210 mi/h = 210 × 0.44704

= 93.8784 m/s

a = (93.8784 -26.8224 )/(20 - 2.1)

= 67.056/17.9

= 3.746 m/s

Part 2

1mi/h = 0.44704 m/s

255 mi/h = 255 × 0.44704

= 113.995 m/s

a = (113.995 - 93.8784)/(53 - 20)

=20.1166/33

= 0.6096 m/s²

4 0
3 years ago
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