Communication at frequencies in the order of 15 kHz are usually accomplished by ground waves, and require generation of ____ power outputs for reliable and continuous operation:
A
High power
B
Low power
C
Extremely high power
D
Extremely low power
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Question 1 / 20gcaFa2NsAOAQknoozSXS
Question 1 of 20gcaFa2NsAOAQknoozSXS
Communication at frequencies in the order of 15 kHz are usually accomplished by ground waves, and require generation of ____ power outputs for reliable and continuous operation:
Communication at frequencies in the order of 15 kHz are usually accomplished by ground waves, and require generation of ____ power outputs for reliable and continuous operation: