Electricity - Circuits 23
Flashcard
•
Computers
•
8th Grade
•
Hard
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40 questions
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1.
FLASHCARD QUESTION
Front
Resistance is measured in a unit called the ____.
Back
ohm
2.
FLASHCARD QUESTION
Front
Match the following symbol with the correct term: LED, Wire, battery, switch
Back
LED
3.
FLASHCARD QUESTION
Front
A ______ Circuit is when electricity is allowed to flow through a path that avoids the resistor or load.
Back
Short
4.
FLASHCARD QUESTION
Front
A ___________ is a component that resists the flow of current.
Back
Resistor
5.
FLASHCARD QUESTION
Front
What is a disadvantage of using fuses instead of a circuit breaker? Options: You cannot blow a fuse by plugging in too many appliances at once., Compared with circuit breakers, fuses are a newer, easier way to protect circuits., When a fuse burns out, it cannot be used again., A fuse uses an electromagnet, so it shuts off when the current gets too high.
Back
When a fuse burns out, it cannot be used again.
6.
FLASHCARD QUESTION
Front
An example of a voltage source is a(n)
Back
battery.
7.
FLASHCARD QUESTION
Front
Which of the following is a device designed to open an overloaded circuit and prevent overheating? magnet, resistor, circuit breaker, transformer
Back
circuit breaker
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