The signal voltage induced in the aerial of a radio receiver is of the order of ________________?
Correct answer: B. µV
- A. mV
- B. µV
- C. V
- D. None of the above
Explanation
A radio receiver must detect very weak electromagnetic signals, so the voltage induced in its aerial is typically in the microvolt range. Millivolt and volt levels are much larger than the usual received signal.
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