Electrical Signal Amplification Quiz

Automobile engines and exhaust systems

Microwaves and refrigerators

Stereo systems, headphones, and musical instruments (correct)

Television sets and computer monitors

To change the frequency of an electrical signal

To increase the strength of an electrical signal (correct)

To decrease the strength of an electrical signal

To convert electrical signals into mechanical signals

Amplifying high frequency signals for wireless communication systems and radars (correct)

Amplifying low frequency signals for power distribution systems

Amplifying audio signals for public address systems

Amplifying digital signals for computer networks

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