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Elena-2011 [213]
3 years ago
8

Which component is found only in electric generators and not in electric motors?

Physics
2 answers:
Dmitrij [34]3 years ago
7 0

The correct choice is

slip rings

All components are common in AC generator and electric motor except slip rings. In AC generator, the output oscillate between positive and negative values of current and voltage. This is achieved by making the use of slip rings which makes the output voltage and current oscillate.

On the other hand, slip rings are not used in electric motor.

liraira [26]3 years ago
4 0

The answer is D. Slip rings.

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Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 60 mi/h.How
Pachacha [2.7K]

Answer:

The distance traveled by the faster car when it is 15 mins ahead of the slower car is 165 miles.

Explanation:

Given;

speed of the faster car, v₁ = 60 mi/h

speed of the slower car, v₂ = 55 mi/h

Let the distance traveled by the faster car when it is 15 mins ahead of the slower car = x miles

\frac{x}{55} - \frac{x}{60}   = \frac{15}{60}

Note: divide 15 mins by 60 to convert to hours for consistency in the units.

\frac{x}{55} - \frac{x}{60}   = \frac{15}{60}\\\\multiple \ through \ by \ 660\\\\12x - 11x = 165\\\\x = 165 \ miles

Therefore, the distance traveled by the faster car when it is 15 mins ahead of the slower car is 165 miles.

4 0
3 years ago
The photons of different light waves:
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Answer: contain different amounts of energy

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\nu is the frequency of the light which is inversely related to the wavelength.

Now, if we have photons of different light waves, this means we have photons with different frequencies.

As the energy of the photon depends on its frequency:

Photons of different light waves <u>contain different amounts of energy.</u>

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Why are some fasteners double or triple threaded?
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k12

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