15 Questions
Copper is a good insulator due to its high resistance.
False
Globes in a series circuit glow more brightly than in a parallel circuit.
False
Increasing voltage with a higher volt battery decreases the current in a circuit.
False
Energy can be destroyed according to the Law of Conservation of Energy.
False
An ammeter measures voltage in a circuit.
False
What happens to the current in a circuit when the resistance is increased?
The current decreases
Which material is NOT mentioned as a good conductor in the text?
Iron
What happens to the energy efficiency of an incandescent bulb as it gets hotter?
It becomes less energy efficient
Which unit is NOT used to measure energy according to the text?
Volts
In a parallel circuit, what happens to the other branches if one branch is removed or blown?
The other branches remain unaffected
Which statement accurately describes the relationship between voltage and current in a circuit?
Current is directly proportional to voltage according to Ohm's law, if resistance remains constant.
In a parallel circuit, if one branch is disconnected, what happens to the current flow in the remaining branches?
The current flow in the remaining branches remains unchanged.
What is the primary function of a fuse in an electrical circuit?
To protect the circuit from excessive current, which could cause damage.
Which of the following statements accurately describes the behavior of electrons in a negatively charged object?
The object has an excess of electrons compared to protons.
In a series circuit, what happens to the current as it flows through each component?
The current remains constant as it flows through each component.
Test your knowledge of key terms related to electricity and circuits with this quiz. Learn about concepts such as ammeters, conductors, fuses, and more.
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