In what situation would you prefer a digital VOM over an ordinary analog meter?

When choosing between a digital volt-ohm meter (VOM) and an ordinary analog meter, the preference for a digital VOM primarily stems from its superior accuracy. Digital VOMs typically provide more precise readings because they can display measurements in a numerical format with a higher resolution than analog meters, which rely on a needle moving across a scale. This numerical output reduces the potential for human error in reading the scale, especially when measuring small voltage or resistance values where minor differences are critical.

Additionally, digital VOMs often have features such as auto-ranging, which automatically adjusts the measurement range for the observed value, further enhancing accuracy. This is particularly beneficial when measuring various components that may operate over different voltage or resistance levels. Therefore, in scenarios where accuracy is paramount, a digital VOM is the more advantageous choice.

Other options may have their merits in different contexts, but when focusing on precision in measurements, the digital VOM stands out as the better tool.