Current, Potential Difference & Resistance (AQA GCSE Physics Combined Science): Quizzes

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Electrical charge and current
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What does electric current measure?

The rate of flow of electric charge

In metals, what particles move to create an electric current?

Electrons

What is the unit used to measure electric charge?

Coulombs (C)

What is the unit used to measure electric current?

Amperes (A)

What does 1 amp equal?

1 coulomb per second

In the equation Q=I×tQ = I \times t, what does QQ represent?

Charge in coulombs

How must an ammeter be connected to measure current through a component?

In series with the component

In a series circuit, how does the current vary at different points?

Current is the same everywhere

If a current of 3A3A flows for 200s200s, what charge flows? Use Q=I×tQ = I \times t

600C600C

If 900C900C of charge flows in 180s180s, what is the current? Use I=QtI = \frac{Q}{t}

5A5A

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Current, Potential Difference & Resistance

Series & Parallel Circuits

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Current, Potential Difference & Resistance

Series & Parallel Circuits

Energy Transfers

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Current, Potential Difference & Resistance

Series & Parallel Circuits

Energy Transfers

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Current, Potential Difference & Resistance

Series & Parallel Circuits

Energy Transfers

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