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Electrical Engineering 101: Everything You Should Have Learned In School But Probably Didn’t > Chapter 0: What Is Electricity Really? > Flashcards

Chapter 0: What Is Electricity Really? Flashcards

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1
Q

Atoms are made up of three types of particles:

A

Protons, neutrons & electrons

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2
Q

Energy is…

A

Work

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3
Q

There are how many +/- charges in a conductor vs an insulator?

A

The same number

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4
Q

Electricity is fundamentally simply…

A

+/- Charges

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5
Q

In a good conductor, the electrons move…

A

Easily, like liquid water.

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6
Q

In a good insulator, the electrons are…

A

Stuck in place, like frozen water (only they can’t melt!)

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7
Q

Like charges _________ and opposite charges _________.

A

Repel, attract

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8
Q

Movement of charges is called…

A

Current

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9
Q

A build up (potential) of charges is called…

A

Voltage

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10
Q

If we have a bunch of charges hanging out, we call it…

A

Voltage

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11
Q

If we have charges in motion we call it…

A

Current (or amperage)

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12
Q

Energy is…

A

Work

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13
Q

In a circuit the electromagnetic effects…

A

Move energy from one point to another.

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14
Q

“Can’t” is a…

A

Sucker too lazy to try!

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15
Q

Laziness is

A

The mother of invention!

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16
Q

Voltage x Current =

A

Power

17
Q

Friction =

A

Force / Speed

18
Q

Resistance =

A

Voltage / Current

19
Q

Resistance represents the amount of effort it takes to…

A

Move an electron from one atom to the next one.

20
Q

The Inductor is Analogous to…

A

Mass

21
Q

The Resistor is analogous to…

A

Friction

22
Q

Mass =

A

(Force x Time) / Speed

23
Q

Inductance =

A

(Voltage x Time) / Current

24
Q

The Capacitor is analogous to…

A

A Spring

25
Q

Spring =

A

(Speed * Time) / Force

26
Q

Capacitance =

A

(Current x Time) / Voltage

27
Q

It takes Voltage and Current to make

A

Power

28
Q

A Resistor is like ______: It creates ________ from ________ flow (resisting it), ________ to the ________ measured across it.

A

A Resistor is like FRICTION: It creates HEAT from CURRENT flow (resisting it), PROPORTIONAL to the VOLTAGE measured across it.

29
Q

An inductor is like

A

A mass

30
Q

A capacitor is like

A

A spring

31
Q

The inductor is _______________ the capacitor.

A

The inverse of

Electrical Engineering 101: Everything You Should Have Learned In School But Probably Didn’t (4 decks)

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