Skip to main content

Back to the full dot-point answer

EnglandElectronicsQuick questions

Component 2 Application of Electronics

Quick questions on Audio systems, amplifier classes and gain in decibels - Eduqas A-Level Electronics

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
Show answer
An amplifier delivers 2.0 W2.0\ \text{W} into a 4.0 Ω4.0\ \Omega loudspeaker. Find the RMS voltage across it. [2 marks]
What is q2?
Show answer
State the main disadvantage of a Class B output stage. [1 mark]
What is q3?
Show answer
State the approximate frequency range an audio amplifier should reproduce. [1 mark]

Have a question we have not covered?

This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.

All ElectronicsQ&A pages