How many volts are equal to one microvolt?

One microvolt is defined as one one-millionth of a volt, which means it is equal to (0.000001) volts or (1 \times 10^{-6}) volts. This measurement is crucial in understanding and working with low-level signals, which are often encountered in radio communications and electronic circuits. Recognizing this unit is important for ham radio operators because it helps them to comprehend the sensitivity of equipment and the strength of signals.

The other options represent different values that do not accurately relate to the measurement of a microvolt. For example, one million volts would denote a significantly higher voltage, while one-thousandth of a volt corresponds to one millivolt, which is much greater than a microvolt. The understanding of these units and their conversions is essential for achieving proficiency in ham radio operations.