WorksheetsQuiz on Atomic Structure and Forces
Total questions: 9
Worksheet time: 5mins
What charge does a proton have?
Positive
Negative
Neutral
No charge
What type of materials are usually considered good conductors?
Materials with fewer than four electrons in the valence shell
Materials with more than four electrons in the valence shell
Materials with no electrons in the valence shell
Materials with equal electrons and protons
What are materials with many free electrons known as?
Insulators
Conductors
Semiconductors
Resistors
What is the basis for an alternating current electrical system?
A rotating magnet
A stationary magnet
A rotating conductor
A stationary conductor
What is the effect of voltage on the size of insulators?
Increases the size
Decreases the size
Has no effect
Reduces the need for insulators
What did Ampere demonstrate about electric currents?
They produce sound waves
They produce magnetic fields
They produce light
They produce heat
What is the unit of resistance?
Amp
Volt
Ohm
Coulomb
What happens when resistance is high in a conductor?
Current flow is easier
Current flow is harder
Current flow is unchanged
Current flow is stopped
What do watt-hour meters measure?
Temperature
Speed
Volts and amps over time
Pressure
