PS Unit 7 L4.1 - Explaining Electric Current

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•
Science
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is electric current?
Back
Electric current is the flow of electric charge, typically measured in amperes (A). It represents the movement of electrons through a conductor.
2.
FLASHCARD QUESTION
Front
What device is used to measure electric current?
Back
An ammeter is used to measure the rate at which electric charges move through a wire.
3.
FLASHCARD QUESTION
Front
What is the unit of electric current?
Back
The unit of electric current is the ampere (A).
4.
FLASHCARD QUESTION
Front
Why is it difficult to track individual electric charges in a circuit?
Back
It is often impossible to track individual electric charges because there are too many charges moving at once.
5.
FLASHCARD QUESTION
Front
What happens to a device if the current drops below its required level?
Back
If the current drops below the required level, the device may not function properly.
6.
FLASHCARD QUESTION
Front
How does an ammeter measure electric current?
Back
An ammeter measures electric current by using a physical effect of electric current, such as the magnetic field created by the flow of charges.
7.
FLASHCARD QUESTION
Front
What is the role of a voltmeter?
Back
A voltmeter measures the voltage (potential difference) across two points in a circuit.
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