Electricity Flashcards

(47 cards)

0
Q

What are leads?

A

Wires?

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1
Q

4 Parts of a Circuit

A

Leads
Loads
Source
Switch

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2
Q

What are loads?

A

Motor, Lamp. Voltmeter, Ampmeter

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3
Q

What is a source?

A

Battery/ Cell

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4
Q

What are the types of circuits?

A

Series

Parallel

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5
Q

What is a series circuit?

A

A circuit where the electricity has only 1 path

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6
Q

What is a parallel circuit?

A

A circuit where the electricity has more than 1 path to travel.

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7
Q

What are renewable resources used to create electricity?

A

Solar
Wind
Hydroelectric

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8
Q

How is hydroelectric power created?

A

Turbine > Generator

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9
Q

What are the 3 ways to transfer energy?

A

Abduction
Induction
Conduction

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10
Q

What is abduction?

A

static electricity created through friction

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11
Q

What is induction?

A

No contact

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12
Q

What is conduction?

A

Contact

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13
Q

What does a Van de Graaff show?

A

Discharge

Electron jump

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14
Q

What is the law of electrostatics?

A

Same charges repel,

Opposite charges attract

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15
Q

What are the two types of cells?

A

Wet

Dry

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16
Q

What is a wet cell?

A

Liquid electrolyte acid

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17
Q

What is a dry cell?

A

Paste, solid elctrolytes

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18
Q

What combination of electrodes are necessary to creat a successful battery?

A

Cu, 2n
Copper
ZInc

19
Q

What are the main parts of a motor?

A
Wire
Battery
Armature
Magnet
>Electromagnet
20
Q

What is current?

A

Moving electrons

21
Q

What does it mean to be neutral?

A

Equal amount of electrons and protons

22
Q

How do you create a positive charge?

23
Q

How do you create a negative charge?

A

Add electrons

24
What is the symbol for Amperes?
I
25
What is the symbol for Ohms?
R | Omega
26
What is the symbol for potential or voltage?
V
27
What is the formula for voltage?
V=IR
28
What is the formula for power?
P=IV
29
What is the formula for energy?
E=Pt
30
What is the formula for rate?
W=J/s
31
What is the formula for efficiency?
Output/ Input *100
32
What factors make it impossible to be 100% efficient?
Sound Friction Heat
33
What is the formula for resistance?
R=V/I
34
What is the formula for current?
I=V/R
35
What is a primary source?
A cell that cannot be recharged
37
What is a secondary source?
W cell that can be recharged
38
What is an Ampere?
A measure fo electricity
39
What is an Ammeter?
A measuring instrument used to measure the electric current in a circuit
40
What is an insulator?
A material whose internal electric charges do not flow freely, and therefore does not conduct electricity
41
What is a conductor?
An object or type of material which permits the flow of electric charges in one or more direction (s)
42
What is a Circuit?
The theory of accomplishing work by routing electrons, gas, fluids, or other matter through loops
43
What is a Load?
power consumed by a circuit
44
What is Voltage?
Potential difference expressed in volts
45
What is a Volt?
Unit for measuring electricity
46
What is Potential Difference?
The difference in energy in two locations
47
What is a voltmeter?
An instrument for measuring electric potential in volts.