Final answer:
An RC coupled amplifier is characterized by the use of both a resistor and a capacitor, making option 3) Both resistor and capacitor the correct identifier for such a circuit.
Step-by-step explanation:
The components that identify a circuit as an RC coupled amplifier are a resistor and a capacitor. Therefore, the correct answer to the question 'What is/are the component(s) that identify a circuit as an RC coupled amplifier?' is option 3) Both resistor and capacitor.
An RC coupled amplifier utilizes these components to couple audio signals between two stages within an amplifier. A resistor is used to control the current in the circuit, and a capacitor is used to store and release electric charge, as well as block the flow of direct current while allowing alternating current to pass.
An RC coupled amplifier is a circuit that consists of both a resistor and a capacitor. The resistor R and the capacitor C work together to amplify the input signal. The resistor controls the current flowing through the circuit, while the capacitor stores and releases charge, allowing the amplifier to provide voltage gain.