Chapter 11.1 Flashcards Preview

Characteristocs Of Electricoty > Chapter 11.1 > Flashcards

Flashcards in Chapter 11.1 Deck (23):
1

Electrical circuit

A complete path on which electrons flow through

2

Current electricity

A continuous flow of electrons in a circuit

3

Load

A device that converts electrical energy into another form of energy

4

Switch

A device that turns the circuit on or off by closing or opening the circuit

5

Battery

A combination of electrochemical cells

6

Electrochemical cell

A package of chemicals that converts chemical energy into electrical energy that is stored in charged particles

7

Electrolyte

A liquid or a paste that conducts electricity because it contains chemicals that forms ions

8

Electrodes

Metal strips that react with the electrolyte

9

Wet cell

An electrochemical cell that has a liquid electrolyte

10

Dry cell

An electrochemical cell that uses a paste instead of a liquid electrolyte

11

Fuel cell

An electrochemical cell that generates energy directly from a chemical reaction with a fuel

12

Potential energy

The energy stored in an object

13

Potential difference or voltage

The difference in electrical energy between two points in a circuit

14

Voltmeter

A machine to measure potential difference

15

Bolt

The ai unit for measuring potential difference

16

Direct current DC

A current that only flows in one direction

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AC alternating current

Currents that flow back and forth at regular intervals called cycles

18

Ammeter

A machine to measure currents in a circuit

19

Amperes A

The measure of the amount of charge moving past a point in the circuit every second

20

Resistance

The degree to which a substance opposes the flow of electric current through it

21

Ohms

The measure of resistance

22

Oh meter

A machine to measure resistance

23

Resistor

Any material that can slow current flow