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20 questions
Which of the following is NOT required for a circuit to be complete.
Load
Power Source
Conductor
Switch
What is voltage?
The ability of electrons to do work
Potential difference
The "pressure" of electrons in the circuit
All of these are correct
What is the unit we use to measure electric current?
ampere (amp)
ohm
volt
newton
What is an electric current?
a build up of electrons
the difference in charge between 2 points
the flow of electrons in a circuit
the opposition to flow of electrons
How is voltage measured?
With a voltmeter in the circuit
With a voltmeter across a load or battery
With an ammeter in the circuit
With an ammeter across a load or battery
What effect do like (similar) charges have on each other?
They attract
They repel
No effect
They reverse each other
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