What is the main function of a power supply in electronic devices?, To make electrical wires longer, To convert AC wall electricity into safe, stable DC electricity, To turn electricity into sound waves, To store internet data, Which component lowers high 220V wall voltage to a lower, safer level?, Rectifier, Step-Down Transformer, Heat Sink, Electric Fan, What do diodes in a rectifier circuit do?, Allow electricity to flow in only ONE direction, Increase the voltage to 1000 Volts, Produce light bulbs, Cool down the computer wire, Why is a filter capacitor needed after the rectifier stage?, To turn off the charger box automatically, To smooth out voltage ripples and bumps, To make the battery charge slower, To change DC back into AC electricity, What is the final job of the Voltage Regulator in a power supply?, To keep the output voltage at a constant, fixed level, To disconnect the wall outlet from the house, To change the color of the adapter light, To double the electric current every 5 minutes
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EPAS 2
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