Electricity Flashcards
1
Q
What is current?
A
The rate of flow of charge
2
Q
What is a resistor?
A
An electrical component that restricts or limits the flow of electrical current
3
Q
What is a variable resistor?
A
A resistor that can have the resistance adjusted
4
Q
What is an ammeter?
A
An electrical component that measures electrical current
5
Q
What is a voltmeter?
A
An electrical component that measures potential difference
6
Q
What is potential difference the same as?
A
Voltage
7
Q
What does LDR stand for?
A
Light dependant resistor
8
Q
What does LED stand for?
A
Light emitting diode
9
Q
What is a diode?
A
An electrical component that only allows electricity to flow in one direction
10
Q
What is potential difference?
A
The energy transferred per unit charge passed
