CET Course 4 Year Two Unit 1 – Study Guide and Practice Questions for Certified Electronics
Technician Advanced Training
What are the three principal parts of an atom, and what charge does each carry? - correct
answer ✔✔Neutron ( no charge), Proton (+), Electron (-)
How many times larger is an electron than a proton? - correct answer ✔✔3
How many times more does a proton weigh than an electron? - correct answer ✔✔1840
State the law of charges. - correct answer ✔✔Opposite charges attract and like charges repel.
What force keeps an electron in orbit around the nucleus of an atom? - correct answer
✔✔Centripetal force.
How many valence electrons are generally contained in materials used for conductors? - correct
answer ✔✔1 or 2.
How many valence electrons are generally contained in materials used for insulators? - correct
answer ✔✔7 or 8.
What is electricity? - correct answer ✔✔The flow of electrons.
Technician Advanced Training
What are the three principal parts of an atom, and what charge does each carry? - correct
answer ✔✔Neutron ( no charge), Proton (+), Electron (-)
How many times larger is an electron than a proton? - correct answer ✔✔3
How many times more does a proton weigh than an electron? - correct answer ✔✔1840
State the law of charges. - correct answer ✔✔Opposite charges attract and like charges repel.
What force keeps an electron in orbit around the nucleus of an atom? - correct answer
✔✔Centripetal force.
How many valence electrons are generally contained in materials used for conductors? - correct
answer ✔✔1 or 2.
How many valence electrons are generally contained in materials used for insulators? - correct
answer ✔✔7 or 8.
What is electricity? - correct answer ✔✔The flow of electrons.
