Magnets Pt. 2 Flashcards

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1
Q

A changing magnetic field creates an…

A

electric field

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2
Q

A changing electric field creates a…

A

magnetic field

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3
Q

What are 3 ways to induce electricity?

A

-Move the wire
-Move the magnet
-Use an electromagnet to create a changing magnetic field

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4
Q

If the wire has more coils, the v______ is p____________.

A

voltage, proportional

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5
Q

If a coil of wire experiences change in the magnetic field, it induces what?

A

Electricity

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6
Q

It will become harder to move the magnet when the voltage is what?

A

Higher/More of it

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7
Q

What is Faraday’s Law?

A

Voltage is proportionate to the coils in the wire. More Coils = Higher Voltage

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8
Q

What is a transformer

A

The current runs through one coiled wire, making it a magnet, which then induces a current in another nearby coiled wire.

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8
Q

The c_____ depends on the r_________. (Amp = V/R)

A

current, resistance

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9
Q

Example of a transformer?

A

Electricity running from a power bank to a household.

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10
Q

What do transformers transform?

A

They transform voltage.

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