Basic Qualification · B-004 Circuit components · B-004-001-006
Apart from power and current, which signal property can amplifiers be specifically designed to increase?
- A Voltage
- B Phase
- C Frequency
- D Linearity
Correct answer: A — Voltage. From the official ISED question bank, verified word for word.
Why
Amplifiers are built to make a weak signal stronger by boosting its voltage, which is the electrical pressure that pushes current through a circuit. The full explanation — and one for every question — is in Pro.
Practise this section
The parts inside the box: resistors, capacitors, inductors, diodes, transistors, tubes and what each does in a circuit.