When current flows through a resistance, what happens to the conductor?

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Study for the Missouri Valley Test. Enhance your skills with flashcards and multiple-choice questions, each providing hints and explanations. Prepare for your success!

Multiple Choice

When current flows through a resistance, what happens to the conductor?

Explanation:
Resistors convert electrical energy into heat. As current flows, electrons collide with atoms in the conductor, transferring energy to the lattice and warming the material. The rate of heat produced is P = I^2R (or V^2/R), so more current or higher resistance means more heat. The conductor isn’t coolened by this process, and while current creates a magnetic field around the wire, that doesn’t change the conductor itself in this context, and illumination only happens if the power is high enough to make the material glow. So heat is produced.

Resistors convert electrical energy into heat. As current flows, electrons collide with atoms in the conductor, transferring energy to the lattice and warming the material. The rate of heat produced is P = I^2R (or V^2/R), so more current or higher resistance means more heat. The conductor isn’t coolened by this process, and while current creates a magnetic field around the wire, that doesn’t change the conductor itself in this context, and illumination only happens if the power is high enough to make the material glow. So heat is produced.

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