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CET course 4, Year Two. Unit 1 questions well answered to pass
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CET course 4, Year Two. Unit 1 questions well answered to pass
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CET course 4, Year Two. Unit 1questions well answered to pass
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.
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