resistance + circuit symbols Flashcards
1
Q
what is resistance and what is it measured in
A
anything in circuit that slows down flow of current and measured in ohms
2
Q
resistance increases, potential difference stays the same, current _________
A
decreases
3
Q
potential difference increases and resistance stays the same, current ________
A
increases
4
Q
what is a conductor
A
component or material that allows electricity to easily pass through it
5
Q
what is an insulator
A
component that doesn’t allow electricity to easily pass through it
6
Q
circuit symbols
A
cell, batteries, switch open, switch close, ammeter, voltmeter, motor, buzzer, bulb
7
Q
what is a circuit diagram
A
simplified drawing of real circuit using circuit symbols
