Models with variable magnetic resistance usually provide quieter operation.

In the past, one or more vacuum tubes were commonly used as the variable resistance.

There's a variable resistance to this hallucinogenic.

Its principle depends upon the variable resistance of carbon in accordance with the degree of pressure to which it is subjected.

These semiconductors have a variable resistance that is dependent on voltage.

It is known that rodent populations will have a variable resistance, which could lead to a carrier status in some individuals.

The introduction of variable resistance in the armature circuit or field circuit allowed speed control.

The slope of this function is called the memristance M and is similar to variable resistance.

The Bowflex "power rod" bending technology is in part based it due to use of variable resistance.

In the most simple case a switch is modeled as a variable resistance that changes between a very small and a very large value.