QUIZ #1 - ELECTROMAGNETISM

QuizÂ by Daryl Cadanilla

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10 questions
• Q1

A kind of material that is repelled by a magnet is called ______________________.

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30s
• Q2

In 1820, he concluded that an electric current produces magnetic field. (Complete name)

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30s
• Q3

Using the right hand screw rule, fingers indicate the direction of _______________________.

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30s
• Q4

Based on the deflection of the needle of compass, which is the south pole?

B

A

30s
• Q5

Based on the direction of magnetic field, which is the negative charge?

A

B

30s
• Q6

What happens to an electromagnet when the electric current passing through it is increased?

The strength of the magnetic field increases

The magnetic field collapses completely

The direction of the magnetic field reverses

The strength of the magnetic field decreases

30s
• Q7

A rock or a naturally occurring mineral with strong magnetic properties which is now commonly referred as magnet was formerly known as ____________________________.

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30s
• Q8

The farther the two magnets are together, the ___________________ the force between them.

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45s
• Q9

The interaction of electric currents or fields and magnetic fields is called ________________.

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45s
• Q10

A solenoid can be used as an electromagnet by:

Placing a permanent magnet inside the coil

Running alternating current through it

Running a constant direct current through it

Using a battery to power it on and off

30s

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