Electric Circuits Random Retrieval

2

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

The unit of current is the ampere. A correct alternative unit is:

2 / 10

Select a use for this circuit when the temperature fluctuates. Assume Vout is the location of external circuitry

3 / 10

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

4 / 10

An electric motor is used to raise a load. When the switch is closed, the ammeter reads 94 mA and the motor raises a 568 g load through a height of 174 cm in 25 seconds. Calculate the potential difference of the circuit assuming it is 100% efficient. g = 9.81 N kg−1

 

5 / 10

The unit for power is the Watt, what is this in SI base units?

6 / 10

Which graph best represents the I-V characteristic graph of a filament lamp?

7 / 10

Connell's chain is made from silver which has a resistivity of 1.59 x10-7 Ω m at 20 °C. It has a diameter of 4mm and a resistance of 0.71 Ω. What is the area inside the entire necklace when shaped in a perfect circle?

8 / 10

In this diagram, what should the potential difference of the missing value be?

9 / 10

Calculate the charge moved in a circuit that has a 12 V power supply and moves 1.4x106 J of energy.

10 / 10

The current in a circuit depends on the mean drift velocity of the charge carriers. This can be defined by this equation, what is the current if the mean drift velocity of charge carriers halves?

Your score is

0%