An industrial power socket in a European factory delivers an alternating current (AC) supply rated at 400 V400\text{ V}400 V.
Which of the following statements is correct?
The mean voltage is 283 V283\text{ V}283 V.
The peak voltage is 400 V400\text{ V}400 V.
The root mean square voltage is 566 V566\text{ V}566 V.
The peak-to-peak voltage is 1131 V1131\text{ V}1131 V.
66 exam-style questions on AQA A Level Physics Magnetic fields (A-level only), covering Magnetic flux density (A-level only), Moving charges in a magnetic field (A-level only), Magnetic flux and flux linkage (A-level only), Electromagnetic induction (A-level only), Alternating currents (A-level only), and The operation of a transformer (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.