science electricity Flashcards
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1
Q
What is the unit of electric current?
A
Amperes (A)
2
Q
Which device is used to measure voltage?
A
Voltmeter
3
Q
How is an ammeter connected in a circuit?
A
In series
4
Q
What does the symbol Ω represent?
A
Ohms (unit of resistance)
5
Q
Q: What happens to total resistance when resistors are added in series?
A
A: It increases
6
Q
Q: What happens to total resistance when resistors are added in parallel?
A
A: It decreases
7
Q
Q: Which variable represents voltage?
A
A: V
8
Q
Q: Define electrical resistance in one sentence.
A
A: Resistance is the slowing down of electrons in a circuit.
9
Q
Q: Name the unit and symbol for voltage.
A
A: Volts (V)
10
Q
Q: Where should a voltmeter be placed in a circuit?
A
A: In parallel
