What is the frequency range for a headphone as a detector?
A. 20 Hz to 20 kHz
B. 10 kHz to 1 MHz
C. 10 MHz to 1 GHz
D. 250 Hz to 4 kHz
Answer:D
What is the frequency range for a headphone as a detector?
A. 20 Hz to 20 kHz B. 10 kHz to 1 MHz C. 10 MHz to 1 GHz D. 250 Hz to 4 kHz