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PJ's Science W/ Dr. Wile > Module 12 > Flashcards

Module 12 Flashcards

1
Q

Who invented the Electric Generator/Transformer

A

Michael Faraday

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2
Q

How many equations did Maxwell come up with? How manny are there now?

A

40, 4

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3
Q

What repels?

A

Like charges

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4
Q

What attracts

A

Opposet charges

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5
Q

Three principles of the force

between electrical charges.

A
  1. All charges attract or repel one another.
  2. The force is directly proportional to the amount of charge on an object.
  3. The force is inversely proportional to (distance)^2
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6
Q

What are photons?

A

Small packages of light that act just like small particles.

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7
Q

What is charging by conduction?

A

Charging an object by allowing it to come into direct contact with an object that is already charged.

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8
Q

What is charging by induction?

A

Charging an object by forcing some of the charges to leave the object

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9
Q

What is an electrical current?

A

The amount of charge that travels through a circuit.

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10
Q

What is electric current measured by?

A

Amps

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11
Q

What is conventional current. Is it correct

A

Where the current flows from the + side to the - side. No

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12
Q

What is resistance?

A

A measure of how much a metal impedes the flow of electrons.

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13
Q

What is an open circuit

A

A circuit that is not complete

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14
Q

Define Dipole

A

A magnet with 2 poles

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15
Q

Define monopole

A

A magnet with one pole

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16
Q

What is electro-magnetic force

A

A fundamental force in nature that acts between the charged particles and is the combo of electrical & magnetic forces. This force can repel and attract.

17
Q

What is an atom called when is loses electrons?

A

Positive Ion

18
Q

What is an atom called that gains an electron.

A

Negative Ion

19
Q

How does an atom gain or lose an electron

A

A physical or chemical reaction.

20
Q

What is a volt

A

The unit of electro-motive force.

21
Q

What is a parallel circuit

A

A circuit that has two or more different series.

22
Q

What is a series

A

A circuit that when one goes out than evrything stops working.

23
Q

All electric force results from ___________

A

A flow of charged particles.

24
Q

The two sides of a magnet are called the _________ ___________ and the ___________ ____________

A

North pole and the south pole.

25
Q

What is a magnetic field?

A

a region around a magnetic material or a moving electric charge within which the force of magnetism acts.

PJ's Science W/ Dr. Wile (1 decks)

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