Electricity and Magnetism
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
Why are electrical cords covered in plastic or rubber?
Back
Because plastic and rubber are insulators which keeps us safe.
2.
FLASHCARD QUESTION
Front
What is an incomplete circuit?
Back
A circuit that does not have a complete path for current to flow.
3.
FLASHCARD QUESTION
Front
What happens in a series circuit if one of the light bulbs is unscrewed?
Back
The circuit will not work.
4.
FLASHCARD QUESTION
Front
What is part C considered in the circuit?
Back
Load/Resistor.
5.
FLASHCARD QUESTION
Front
How do you calculate current in a circuit?
Back
Current (I) = Voltage (V) / Resistance (R).
6.
FLASHCARD QUESTION
Front
What is the unit of electrical resistance?
Back
Ohm (Ω).
7.
FLASHCARD QUESTION
Front
What is the function of a power source in a circuit?
Back
To provide the voltage needed to push current through the circuit.
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