Nyansapc

SHS General Science · Year 2

Electronics practice questions

Conductors, insulators, semiconductors and the principle of doping.

24 questions in this topic: 8 recall, 13 applying skills and concepts and 3 strategic thinking. Every one carries a written explanation.

Sample questions

3 of 24 questions in this topic. Sign up to answer them and see the explanations.

  1. Question 1Skills & concepts

    A diode that is forward biased behaves like

    • aan open gate that lets current through
    • ba closed gate that blocks current
    • ca light bulb
    • da battery
  2. Question 2Skills & concepts

    Which component is used to keep the output voltage of a phone charger steady?

    • aVoltage regulator
    • bLoudspeaker
    • cNephron
    • dPetal
  3. Question 3Skills & concepts

    Diodes are used in power supplies to convert alternating current into

    • adirect current
    • bsound
    • cheat only
    • dlight only

Answer these and 21 more on Electronics

Free account. Instant marking, a written explanation for every question.

Start practising free

More General Science Year 2 topics

All General Science topics