Technician A says that radios receive AM and FM signals that are broadcast through the air. Technician B says that the radio antenna is used to induce a very large voltage signal as an input into the radio from the electromagnetic energy from the broadcast station. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
A transistor is controlled by the polarity and current at the ________.
A) Collector B) Emitter C) Base D) Both A and B
Nerves can transmit many signals at the same time
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