Electric Circuits

Flashcard
•
Physics
•
11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is resistance in an electric circuit?
Back
Resistance is a measure of how hard it is for electrons to flow through a conductor, typically measured in Ohms (Ω).
2.
FLASHCARD QUESTION
Front
What is current measured in?
Back
Current is measured in Amperes (A).
3.
FLASHCARD QUESTION
Front
What is the formula to calculate current (I) in a circuit?
Back
I = V/R, where I is current, V is voltage, and R is resistance.
4.
FLASHCARD QUESTION
Front
What is voltage?
Back
Voltage, or potential difference, is the measure of electric potential energy per unit charge, measured in Volts (V).
5.
FLASHCARD QUESTION
Front
What is the relationship between voltage, current, and resistance?
Back
According to Ohm's Law, V = I * R, meaning voltage equals current multiplied by resistance.
6.
FLASHCARD QUESTION
Front
What is a closed circuit?
Back
A closed circuit is a complete electrical loop that allows current to flow without interruption.
7.
FLASHCARD QUESTION
Front
What is an open circuit?
Back
An open circuit is a broken or incomplete electrical loop that prevents current from flowing.
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