Current Electricity

Gapfill exercise

Enter your answers in the gaps. When you have entered all the answers, click on the "Check" button.

1. " , , " wires make the best conductors. (hint: describe length, width and temperature)

2. Adding a resistor "in parallel" the total resistance of a circuit.

3. Adding a resistor "in series" the total resistance of a circuit.

4. All resistors in a series circuit have equal going through them.

5. All resistors in a parallel circuit have equal .

6. The going into a juncture in an electric cicuit always equals the coming out of a juncture. (hint: Kirchoff's Conservation Laws)
ohm_law_plots.jpg
7. Which plot represents the the voltage vs. current for the highest resistance?
current_in_out.jpg
8. What is the current in the bottom wire? amp(s)
a) What is the direction of the current in the bottom wire?

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