Electric Flashcards
1
Q
what is an Ammeter used for?
A
measure the current flowing through an electric circuit.
2
Q
What is an Ammeters Si unit
A
Ampere (A)
3
Q
How is an ammeter connected?
A
series.
4
Q
What is a voltmeter used for?
What is its SI unit
A
measure potential difference between 2 points in an electric circuit
SI unit: Volt(v)
5
Q
What is electrical resistance(R)?
A
measure of how much the component opposes the flow of electric current
6
Q
Si unit for electrical resistance?
A
ohm(Ω)
7
Q
Fixed vs variable resistor
A
fixed-non-adjustable electrical resistance
variable-range of electrical resistance than can be adjusted