Define resistance
Understand the Problem
The question asks for a definition of the term 'resistance', likely in a scientific or electrical context. We need to provide a concise and accurate explanation of what resistance is.
Answer
Resistance is the opposition to electric current flow, measured in ohms.
Resistance is the opposition a substance offers to the flow of electric current. It's measured in ohms and represented by the letter R.
Answer for screen readers
Resistance is the opposition a substance offers to the flow of electric current. It's measured in ohms and represented by the letter R.
More Information
Resistance is analogous to friction; it hinders the movement of charge in a conductor.
Tips
A common mistake is to confuse resistance with resistivity. Resistance depends on the object's size and shape, while resistivity is an intrinsic property of the material.
Sources
- What is Resistance? - Fluke Corporation - fluke.com
- What is resistance? | Definition from TechTarget - techtarget.com
- What is Resistance? - Hioki - hioki.com
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