22 (b) Diodes can also be used in circuits. Look at the diagrams. This diagram shows how an AC voltage changes with time. voltage
time
Diodes can be used to change the AC voltage. This diagram shows how the voltage is changed by an arrangement of diodes. voltage
time
How are diodes used to produce the output shown? You may draw a diagram to explain your answer.
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[Total: 5]
Š OCR 2014