S2 Review 2 - electricity
Flashcard
•
Physics
•
11th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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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 rate at which charge is flowing through a conductor.
2.
FLASHCARD QUESTION
Front
What is the relationship between voltage, current, and resistance?
Back
This relationship is described by Ohm's Law, which states that Voltage (V) = Current (I) x Resistance (R).
3.
FLASHCARD QUESTION
Front
What happens to current in a series circuit?
Back
In a series circuit, the same current flows through each component.
4.
FLASHCARD QUESTION
Front
What happens to voltage in a series circuit?
Back
The total voltage across the combination of resistors is the sum of the voltages across each individual resistor.
5.
FLASHCARD QUESTION
Front
What is equivalent resistance in a series circuit?
Back
The equivalent resistance of a series circuit is equal to the sum of the resistances of each individual resistor.
6.
FLASHCARD QUESTION
Front
What is the effect of adding resistors in parallel on total resistance?
Back
Adding resistors in parallel decreases the total resistance of the circuit.
7.
FLASHCARD QUESTION
Front
What happens to current when resistors are added in parallel?
Back
The total current supplied by the source increases as more resistors are added in parallel.
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