Multiple choice general knowledge science & technology

Which of the following are passive components

  1. Resistor

  2. Operational amplifier

  3. Transistor

  4. Capacitor
Reveal answer Fill a bubble to check yourself
A,D Correct answer
Explanation

Passive components are those that cannot amplify or produce energy - they can only store or dissipate it. Resistors and capacitors are passive components. Operational amplifiers (op-amps) and transistors are active components - they can amplify signals and require external power to function.

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