What is a flow of charged particles called?
Potential difference
Resistance
Current
What unit is charge measured in?
Volt
Amp
Coulomb
What current flows if 10 C flow past a point in 2 minutes?
0.083 A
5.0 A
20 A
What is potential difference also called?
Voltage
If 25 C of charge shifts 50 J of energy between two points, what is the voltage between those points?
2 V
0.5 V
5 V
What current flows in a 100 Ω resistor if 5 V is connected across it?
0.05 A
500 A
What type of conductor is a fixed resistor?
Non-ohmic conductor
Ohmic conductor
Poor conductor
A 5 Ω and a 3 Ω resistor in series give what total resistance?
15 Ω
8 Ω
2 Ω
If resistors are placed in parallel, their equivalent resistance is:
Bigger than either resistor
The sum of the two resistors
Smaller than either resistor
What happens to the resistance of an LDR placed in bright light?
It increases
Nothing
It decreases