Electrical Currents from Magnetism Flashcards

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1
Q

What is Electromagnetic Induction?

A

The moving of a magnet in and out of a coil to cause charges to move.

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2
Q

What is Faraday’s Law?

A

A law that states that an electrical current can be produced by changing a magnetic field.

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3
Q

How does Electromagnetic Induction produce energy?

A

It seems like the energy is being made out of nowhere because all you have to do is move a loop, but that movement of the loop is actually work that is creating energy.

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4
Q

What is a Generator?

A

A machine that converts mechanical energy into electrical energy.

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5
Q

What is Alternating Current?

A

An electric current that changes direction at regular intervals.

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6
Q

When does a Magnetic Loop not produce Electricity?

A

When it is perpendicular to the field (surface it’s on).

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7
Q

How do Homes get Electricity?

A

From generators.

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8
Q

What are some different kinds of Power Plants?

A

There are solar, geothermal, coal-burning, hydraulic, nuclear, and many more kinds of Power Plants.

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9
Q

What is a Transformer?

A

A device that increases or decreases the voltage of an alternating current.

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10
Q

How do Transformers change Voltage?

A

By having different amounts of coils of wire on the secondary end.

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11
Q

What is a Step-Up Transformer?

A

A device that makes the secondary voltage higher than the primary.

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12
Q

What is a Step-Down Transformer?

A

A device where the secondary voltage is lower than the primary.

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