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julsineya [31]
3 years ago
12

Which of the following changes will result in a stronger electromagnet?

Physics
2 answers:
Romashka-Z-Leto [24]3 years ago
8 0
The correct option is C. i.e. <span>Using more coils of wire
</span>
Explanation: 

The strength of an electromagnet can be increased in the following ways:

1. By increasing the number of coils.
2. By increasing the current/voltage
3. Using an iron core, increases the strength of the electromagnet.
nirvana33 [79]3 years ago
7 0
The answer is going to be C
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It's important that the U.S. Constitution defines citizenship because it guarantees it to people who are born within the United States.

Explanation:

It"subjects to the jurisdiction thereof".

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Calculate, using a diagram, the resultant of the following vector combinations:
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Add them together with south being negative. (-350 + 25) to get 325 south
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What is the period and frequency of a water wave if 4.0 complete waves pass a fixed point in 10 seconds
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Here are the following choices:
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7 0
3 years ago
Explain in detail what specific factors affect the momentum of a bicycle going down hill.
Crazy boy [7]

Mass and velocity are the two terms which affect momentum of a bicycle going hill down.

Explanation:

As we know that Momentum describes the motion of an object. It is the combination of the objects mass and velocity.

So, obviously with no doubt mass and velocity are the two terms which affect momentum.

Momentum(p) = Mass(m) * Velocity(v)

The momentum also depends upon the mass and speed of the object.

More the mass of the object more is the momentum.

Depending upon the gravity and bicycle's motion speed momentum varies.

Bicycle moves faster the down hill if it moves with some speed as it has lesser mass the momentum also will be less.

4 0
3 years ago
At a given location from a source charge, the electric field______________.a. strength is dependent on the source charge and the
noname [10]

Answer:

b. The electric field points away from the source charge, if the source charge is positive

d. The electric field points toward the source charge, if the source charge is negative.

Explanation:

A positive source charge would create an electric field that would exert a repulsive effect upon a positive test charge. Thus, the electric field vector would always be directed away from positively charged objects. On the other hand, a positive test charge would be attracted to a negative source charge. Therefore, electric field vectors are always directed towards negatively charged object.

Also electric field strength depends only on test charge

The correct options include b and d

The electric field points away from the source charge, if the source charge is positive.

Also, the electric field points toward the source charge, if the source charge is negative.

3 0
3 years ago
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