Electric Circuits Random Retrieval

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Electric Circuits Random Retrieval

This quiz contains all the questions in the Electric Circuits section. The website will pick 10 questions at random.

1 / 10

Select effect on Vout when the light intensity increases on this circuit.

2 / 10

Select the effect on Vout when the surrounding temperature increases for circuit.

3 / 10

Calculate the current at A2 in the circuit shown.

4 / 10

The current at A1 is 4 A and the current at A2 is 1 A. Select the current at A3.

5 / 10

The electromotive force, or e.m.f. (Ɛ), is measured in which unit?

6 / 10

Copper has a resistivity of 1.724x10-8 Ω m at 20 °C. Calculate the resistance of a piece of copper wire that measures 40 cm long and has a diameter of 0.8 mm.

7 / 10

If the area (A) of a material was to doubled, what would the resistance be?

8 / 10

What would be the n value of a perfect insulator?

9 / 10

How should you connect a current measuring piece of equipment in a circuit?

10 / 10

The charge on an electron is 1.60x10-19 C. Calculate how many electrons are needed to create a charge of 4.2 C.

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