Fuses, Voltage, Resistance Flashcards
0
Q
What is voltage?
A
It is the ‘push’ (amount of force) that drives the electrical charges (electrons) around a circuit.
1
Q
Fuses are devices that protect against?
A
Electric currents that are dangerous.
2
Q
A, AA battery has how many volts?
A
1.5V
3
Q
An car battery holds how many volts?
A
12V
4
Q
The average household stores how many volts?
A
240V
5
Q
Ammeters are connected to what type of circuit?
A
A series circuit
6
Q
A voltmeter connects to what type of circuit?
A
A parallel
7
Q
What is electrical resistance?
A
A measure of how difficult it is for electrons to flow through part of a circuit.
8
Q
The higher the resistance, the more energy is lost. True or false?
A
TRUE !
9
Q
What is the unit of measurement for resistance?
A
Ohm
10
Q
What is the word equation to find out the resistance?
A
R= Voltage ÷ current
