If a Certain Resistor Obeys Ohm's Law,its Resistance Will Change

question 71

Multiple Choice

If a certain resistor obeys Ohm's law,its resistance will change:

• A)as the voltage across the resistor changes.
• B)as the current through the resistor changes.
• C)as the energy given off by the electrons in their collisions changes.
• D)none of the above,since resistance is a constant for the given resistor.

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Definitions:

Contracting

The process of muscle fibers shortening to produce movement or increase tension against a load.

Pressure Gradients

The difference in pressure between two points in a fluid or gas, driving the movement of the fluid from areas of high pressure to areas of low pressure.

Vascular System

The network of blood vessels in the body, including arteries, veins, and capillaries, which circulate blood.

Peristalsis

The wave-like muscle contractions that move food through the digestive tract.