Which of the following is the disadvantage of multichannel excitation?
A. Low sensitivity
B. Low resolution
C. Small number of frequencies is present
D. Uneconomical
Answer:D
Which of the following is the disadvantage of multichannel excitation?
A. Low sensitivity B. Low resolution C. Small number of frequencies is present D. Uneconomical
Explanation: Large number of frequencies is present in multichannel excitation. This is uneconomical since a receiver is required for each channel.