Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
What is an electrical circuit?
|
The path along which electric charges flow
|
|
|
What does an electric circuit consist of?
|
An electrical source, connecting wires and one or more electrical component( bulbs and switches)
|
|
|
What is a series circuit?
|
One that connects an electrical source with it's components one after the other, forming a single loop
|
|
|
What is a parallel circuit?
|
One that splits into two or more branches with connected electrical components
|
|
|
Disadvantages of a series circuit
|
A break in any part of the circuit stops the current flowing in the whole circuit
|
|
|
Advantages of a parallel circuit
|
A break in any branch of the circuit stops the current flowing through that branch only.
|
|
|
What is an open circuit?
|
When there is a break in the circuit and no current flows
|
|
|
What is a closed circuit?
|
When there is a continuous path in the circuit
|
|
|
Ammeter
|
An ammeter measures amperes
|
|
|
Voltmeter
|
A voltmeter measures volts
|
|
|
What does closing a switch do?
|
It completes the circuit
|
|
|
What does opening a switch do?
|
It breaks the circuit
|
|
|
What is a switch used to do?
|
It is usually used to complete or break circuits
|
|
|
What is electric current?
|
The rate of flow of electric charge
|
|
|
What is the SI unit for electric current?
|
The ampere (A).
|
