Electric current

4.2.2

What the syllabus asks of you

Know that electric current is related to the flow 5 Define electric current as the charge passing a of charge point per unit time; recall and use the equation I = Q / t
Describe the use of ammeters (analogue and digital) with different ranges
Describe electrical conduction in metals in 6 State that conventional current is from positive terms of the movement of free electrons to negative and that the flow of free electrons is from negative to positive
Know the difference between direct current (d.c.) and alternating current (a.c.)

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Chapter 4: Electrical current

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Every question on Electric current, untimed, marked as you go.

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