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galben [10]
4 years ago
10

Which of these is true about a magnetic field?

Physics
1 answer:
dimulka [17.4K]4 years ago
6 0
The answer is <span>It points in the same direction as it would make a compass point.  In a magnetic field, t</span>he direction of the magnetic field at any location is described as the direction in which the north pole of a compass needle points at that location.
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Three basic electrical effects occur when an electric current flows in a conductor: A magnetic field is set up around the conduc
Alex787 [66]

Answer:

A drop in voltage occurs  

Explanation:

When electric current flows through a conduct, there are three basic electrical effects that occur to the conductor;

1. A magnetic field is set up around the conductor,

      A magnetic field is formed around a conductor when current flows through it which makes it acts like a magnet. Application is used in electric bells.

2. Heat is generated, and

     The heating effect of current is due to the conversion of some of the electrical energy that passes through the conductor, into heat energy. Application of heat effect include electric iron, microwave oven, electric bulb, hair straightener etc.

                          H = I²Rt

3. A drop in voltage occurs  

      Voltage drop is as a result of current passing through the impedance  offers by the conductor or circuit elements. When current passes through a conductor, the resistance offers opposition to the flow of the electric current according to Ohm's law.

             

7 0
3 years ago
What impulse will be given to an object if it experiences a force of 0.5 N for 30 seconds
morpeh [17]

Answer:

<h2>15 Ns</h2>

Explanation:

The impulse of an object can be found by using the formula

impulse = force × time

From the question we have

impulse = 0.5 × 30

We have the final answer as

<h3>15 Ns</h3>

Hope this helps you

4 0
3 years ago
Question: As the moon spins on its axis we see
butalik [34]

Answer:

<h2><em><u>A) Different parts of the moon throughout the month</u></em></h2>

Explanation:

Every thing I researched on the moon never says you can see all sides of the moon while its spinning expect the full moon. Your gonna see different sides of the moon because it is spinning not staying still. The last one is wrong because the moon goes threw a cycle. (sorry if anything is wrong this is just what I've been learning and understanding about the moon)

5 0
3 years ago
The amount of energy required to raise one mole of a substance one degree Celsius is known as
Yuliya22 [10]

Answer:

Heat Capcity

Explanation:

Hope that helped!

7 0
3 years ago
Fossil fuels store energy from the sun as<br><br> question 5
qwelly [4]

Answer:

Fossil fuels store energy from the sun as

Explanation:

3 0
3 years ago
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