What is the name of the force that causes free electrons to flow in a conductor producing electric current?
• Relationship between voltage and current flow in a conductor • Basic definition of Ohm's Law and what causes electrons to start moving • Difference between resistance, inductance, and dielectric properties in electrical circuits
• Which quantity actually pushes or drives free electrons through a conductor? • Which of the answer choices is associated with the unit called the volt in basic DC circuits? • Think about which term appears in the phrase that describes the source of electrical pressure in a circuit, such as a battery.
• Identify which option refers to the driving pressure that makes current flow, not something that opposes it • Eliminate any options that describe properties of insulators rather than conductors • Confirm which term is commonly abbreviated as E in Ohm’s Law: ( E = I \times R )
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