Practice Solenoid And Electromagnet (7.5) - Magnetic Effects of Electric Current

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8 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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5 sample questions

Question 1.
What is a solenoid?
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Think of it as a wire bent into a coil shape.
Question 2.
What does an electromagnet rely on to function?
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Recall the part about ferromagnetic materials.
3Question 3.
What is a solenoid?
- A. A permanent magnet
- B. A long coil of wire creating a magnetic field
- C. A type of electric circuit
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Look for the definition of a solenoid in your notes.
4Question 4.
True or False: Electromagnets can be turned on and off.
- True
- False
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Reflect on the unique features of electromagnets we discussed.
Question 5.
A solenoid with 100 turns has a length of 0.5 meters, and a current of 2 A is flowing through it. Calculate the magnetic field strength inside the solenoid.
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Don’t forget to convert lengths and use the appropriate constants!

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