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

What is Ɛ measured in terms of SI base units?

2 / 10

A 75 watt light bulb is left ON for 24 hours, calculate the total energy transferred.

3 / 10

When the LHC is full operational in the summer months, it accounts for 115 MW of CERN's 200 MW requirements. Calculate the total energy transferred over 28 days for the LHC.

4 / 10

Which of these circuit symbols represents an LDR?

5 / 10

Which graph best represents the resistance of an NTC thermistor?

6 / 10

Which graph best represents the I-V characteristic graph of a NTC thermistor?

7 / 10

A head torch used on a D of E expedition is rated at 3W with a 3.7 V battery, how many electrons pass through in the 5 minutes it takes for a return trip to campsite bathroom at night?

8 / 10

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

9 / 10

A battery delivers 5.2 x103 C of electric charge to a circuit in 12 minutes. Calculate the current.

10 / 10

Which way does current flow in a circuit?

 

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