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vovangra [49]
4 years ago
9

When asked how to create an electromagnet the best answer would be?

Physics
1 answer:
Ann [662]4 years ago
8 0
Take wire and a nail strip 2 in of wire then wrap it around a nail
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Describe how the amount of voltage applied to a circuit affects current flow.
posledela

If you’re on Usa Test Prepnor something, the answer will be C

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Help, It has multiple answers for this question.
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What are the main differences between the manual, oscillate and pulse functions?
gladu [14]

Answer:

Manuel function can be used when we move it. Oscillate function automatically moves on its own. The pulse function mimics the pulse of a heart rate and can only be used by pushing the button.

Explanation:

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3 years ago
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A uniform solid sphere of radius r = 0.510 m and mass m = 15.5 kg turns counterclockwise about a vertical axis through its cente
klasskru [66]

Answer:

5.160384 kg*m²/s

Explanation:

The vector angular momentum P can be found using the following expression:

P = I * w

I refers to the inertia, that for a sphere is found using the expression:

I = \frac{2}{5} * m * r² = \frac{2}{5} * 15.5kg * (0.510m)² = 1.61262 kg*m².

The angular velocity w is given by the problem, and has a value of 3.2 rad/s.

Replacing the data we get:

P = 1.61262 kg*m² * 3.2 rad/s = 5.160384 kg*m²/s

5 0
3 years ago
What does the balloon of the air capacitor represent in an electrical capacitor?
bulgar [2K]

Answer:

The balloon prohibits the flow of air through the air capacitor.

Explanation:

Just like an electric capacitor has an insulator between the plates, the air capacitor has a balloon between the chambers.

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