Question
Which is equal to one microvolt?
Answer Options
- A) One one-millionth of a volt
- B) One million volts
- C) One thousand kilovolts
- D) One one-thousandth of a volt
Correct Answer: A
Explanation
The prefix ‘micro-’ (\mu) means one one-millionth (1/1,000,000 or 10^{-6}). Therefore, one microvolt (\mu\text{V}) is equal to one one-millionth of a volt.
Microvolts are the unit most commonly used to measure and specify the sensitivity of radio receivers (T7A01), as usable radio signals are often extremely weak when they arrive at the antenna.
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