Question

Why do low resistance components have low voltage?

Answer 1

This has to do with Ohm's Law
V=IR, where V is voltage, I is current, and R is resistance.
Assuming you keep I constant, V increases as R increases.
Thus, when you have low resistance, you have low voltage.

Answer 2

The question is not so clear - it could be what Agent just said, or it could be a question about design. If it is, then you would want to keep the voltage low in low resistance components since Power = V/R^2. You usually don't want high power. But, you are probably looking for agent's answer.

Answer 3

Agree with startrooper228 the question is not clear. Low voltage may be used to keep currents within a reasonable value. Protection for high currents when even they become excessive is expensive.

Answer 4

Regardless, Ohms law prevails and is the basis for any answer.