Coursebook 27.1 (9702 A Level) · Alternating currents

27.1Alternating current and r.m.s. values

Syllabus section: Sinusoidal current

Describe sinusoidal a.c. by its period, frequency, peak value and r.m.s. value; use I_rms = I₀/√2 and mean power = ½ × peak power for a resistive load.

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Practice questions – A Level (Cambridge 9702)

8 A Level questions, written for this syllabus. Get 5 right in a row to master the lesson.

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Filed under Chapter 27 · Alternating currents