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Questions and Answers
What is the electric charge of a proton?
What is the electric charge of a proton?
- Positive (correct)
- Neutral
- Variable
- Negative
What type of materials are good conductors of electricity?
What type of materials are good conductors of electricity?
- Wood
- Plastic
- Metals (correct)
- Rubber
What is electromotive force (e.m.f.) related to in metals?
What is electromotive force (e.m.f.) related to in metals?
- Temperature of the metal
- Displacement of valence electrons by small external electrical energy (correct)
- Charge density of the metal
- Atomic weight of the metal
What keeps the electron in circular motion around the nucleus?
What keeps the electron in circular motion around the nucleus?
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In which direction does electron current flow externally from the negative of a battery supply to the positive?
In which direction does electron current flow externally from the negative of a battery supply to the positive?
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