True, in a motor, electrical current enters through the brushes.
<span>Brush conducts the current from the stationary wires to the moving parts of the motor.
Some examples of this are:
Generator.
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Answer:
7.34x
Explanation:
Depends on how long it was in the air. 7.34x, x is how many seconds.
Answer:
After watching a show about submarines, Jamil wants to learn more about the oceans. The question that could be answered through scientific investigation is What substances dissolve in ocean water?
<u>Explanation:</u>
Jamil's scientific investigation will help him learn about the various substances that can be dissolved in seawater. There is a large number of such substances. Salt is the most important component of seawater.
Sodium chloride is the most common substance. Besides it, magnesium chloride and calcium chloride are also dissolved in seawater. Seawater consists of a large number of gases also such as oxygen, nitrogen, carbon dioxide, etc.
Explanation:
Below is an attachment containing the solution.