Electronic Principles - Section 4 | Multiple Questions and Answers

46.	Which one of the following statements most accurately describes the nature of inductive reactance?

	A.	Inductive reactance is an opposition to current flow in dc circuits
	B.	Inductive reactance is an opposition to current flow in ac circuits
	C.	Inductive reactance is another term for counter emf
	D.	Inductive reactance is a force that tends to overcome the effects of counter emf

47.	What are the main parts of an atom?

	A.	Protons only
	B.	Electrons, protons, and ions
	C.	Electrons, ions, and neutrons
	D.	Electrons, protons, and neutrons

48.	Current is

	A.	The flow of charged particles through a material
	B.	An imbalance of electrical charges
	C.	The force that causes electrons to flow
	D.	The number of free electrons in an atom