Electricity (Honors)
Flashcard
•
Science
•
8th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Ohm's Law?
Back
Ohm's Law states that the current (I) through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R) of the conductor. It can be expressed as I = V/R.
2.
FLASHCARD QUESTION
Front
What is electrical resistivity?
Back
Electrical resistivity is a measure of how strongly a material opposes the flow of electric current. It is typically expressed in ohm-meters (Ω·m). Materials with high resistivity are insulators, while those with low resistivity are conductors.
Tags
NGSS.HS-PS2-6
3.
FLASHCARD QUESTION
Front
What is a conductor?
Back
A conductor is a material that allows the flow of electric current with minimal resistance. Examples include metals like copper and aluminum.
4.
FLASHCARD QUESTION
Front
What is an insulator?
Back
An insulator is a material that resists the flow of electric current. Examples include rubber, glass, and plastic.
5.
FLASHCARD QUESTION
Front
What is the difference between series and parallel circuits?
Back
In a series circuit, components are connected end-to-end, so the same current flows through all components. In a parallel circuit, components are connected across common points, allowing multiple paths for current to flow.
6.
FLASHCARD QUESTION
Front
What happens in a series circuit if one component fails?
Back
If one component in a series circuit fails (like a light bulb), the entire circuit stops working because the current cannot flow.
7.
FLASHCARD QUESTION
Front
What happens in a parallel circuit if one component fails?
Back
If one component in a parallel circuit fails, the other components continue to work because there are multiple paths for the current to flow.
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