AC vs

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Questions and Answers

What is voltage?

The speed of electron flow in a wire
The resistance in a circuit
The amount of flowing charges per second
The available energy per unit charge that moves charges and creates current (correct)

What is current?

The amount of flowing charges per second, mainly electrons in a wire (correct)
The available energy per unit charge that moves charges and creates current
The speed of electron flow in a wire
The resistance in a circuit

What is the main difference between AC and DC?

The shape of the waveform
Voltage level
Frequency of the current
Direction of electron flow (correct)

What does the term 'current kills' refer to?

<p>A misconception about the dangers of electric current (C)</p> Signup and view all the answers

What does the speaker emphasize in his line of work?

<p>Using simple concepts to design complex circuits (C)</p> Signup and view all the answers

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Study Notes

What is voltage? What is current? What is the main difference between AC and DC? What does the term 'current kills' refer to? What does the speaker emphasize in his line of work?