Questions: Question 9 Magnetic strength can be controlled by? The number of turns and the amount of air used to cool the magnet. The speed of the rotor and the gauge of the wire diameter. The amount of current flowing through the wire, and the number of windings of wire around the material.

Question 9 Magnetic strength can be controlled by? The number of turns and the amount of air used to cool the magnet. The speed of the rotor and the gauge of the wire diameter. The amount of current flowing through the wire, and the number of windings of wire around the material.
Transcript text: Question 9 Magnetic strength can be controlled by? The number of turns and the amount of air used to cool the magnet. The speed of the rotor and the gauge of the wire diameter. The amount of current flowing through the wire, and the number of windings of wire around the material.
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Solution

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Solution Steps

Step 1: Understanding the Question

The question asks about the factors that can control magnetic strength. We need to identify the correct factors from the given options.

Step 2: Analyzing the Options
  1. The number of turns and the amount of air used to cool the magnet.
  2. The speed of the rotor and the gauge of the wire diameter.
  3. The amount of current flowing through the wire, and the number of windings of wire around the material.
Step 3: Identifying the Correct Factors

Magnetic strength in an electromagnet is primarily influenced by:

  • The amount of current flowing through the wire.
  • The number of windings (turns) of the wire around the core material.

These factors directly affect the magnetic field generated by the electromagnet.

Final Answer

\(\boxed{\text{The amount of current flowing through the wire, and the number of windings of wire around the material.}}\)

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