10 Questions
What is the primary characteristic of electrical insulators?
They offer relatively high resistance to the flow of electric current.
Which of the following is NOT a fundamental particle found in an atom?
Quark
What is the unit used to measure electric current?
Ampere
Which shell of an atom is associated with the valence electrons?
Outermost shell
What is the charge of a neutron?
Neutral
Which of the following materials have conductivity midway between good conductors and good insulators?
Electric semiconductors
What is the SI unit of charge?
Coulomb
Which of the following statements about electrical conductors is correct?
They allow the essentially free passage of current when connected to a source.
What is the charge of an electron in Coulombs?
1.602 x 10^-21 C
Which of the following is NOT one of the five shells of an atom mentioned in the text?
P-shell
Test your knowledge on Electricity Theory, Building Electrical Materials and Equipment, and Building Electrical Design Principles. Explore topics like the structure of matter, atom, and the electrical nature of matter.
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