Question 94Electricity/Electronics - QMED70% to pass
What is the name of the force that causes free electrons to flow in a conductor producing electric current?
AI Explanation
A) electromotive force is the correct answer.
The electromotive force (EMF) is the force that causes free electrons to flow in a conductor, producing an electric current. This force is generated by a voltage source, such as a battery or generator, and drives the electrons through the conductor.
The other options are incorrect because:
B) Dielectric force refers to the attractive force between opposite charges in an insulating material, not the force driving current flow.
C) Inductive force is the force that induces a current in a conductor due to a changing magnetic field, not the primary force causing current flow.
D) Resistant force is not a recognized term in this context; it likely refers to electrical resistance, which opposes current flow, not drives it.
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