Basic Qualification · B-004 Circuit components · B-004-001-001
What term describes a circuit designed to increase the amplitude of a signal?
- A Multiplier
- B Amplifier
- C Modulator
- D Oscillator
Correct answer: B — Amplifier. From the official ISED question bank, verified word for word.
Why
An amplifier is the circuit built specifically to make a signal stronger by increasing its amplitude, which simply means the height or strength of the wave. 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.