Electrical charge and current (AQA GCSE Physics): Quizzes

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Electrical charge and current
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What is electric current?

The rate of flow of charge

What causes electric current in metals?

Electrons moving

Which formula links charge, current and time?

Q=I×tQ = I \times t

What is the unit for electric charge?

Coulombs (C)

What is the unit for electric current?

Amperes (A)

How do you rearrange Q=I×tQ = I \times t to find current?

I=QtI = \frac{Q}{t}

What device is used to measure electric current?

Ammeter

How must an ammeter be connected to measure current?

In series with the component

What is true about current in a series circuit?

Current is the same at all points

Why should you never connect an ammeter in parallel?

It can damage meter and cause short circuit

A current of 2A2A flows for 33 minutes. How much charge flows?

360C360C

Charge of 600C600C flows in 22 minutes. What is the current?

5A5A

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