
FLASHCARD-1
Flashcard
•
Science
•
12th Grade
•
Practice Problem
•
Easy
Crisabel Cernardo
Used 2+ times
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the role of dielectrics?
Back
Dielectrics are insulators that store and manage electrical energy when exposed to an electric field. They do not conduct electricity like conductors do. Instead, they polarize, aligning their internal electric dipoles in response to the field. This polarization reduces the electric field within the dielectric, enhancing the capacitor’s ability to store charge. They are used in capacitors, transformers, and various electronic devices to ensure they function efficiently.
2.
FLASHCARD QUESTION
Front
What is the formula for capacitance?
Back
C = Q/V
3.
FLASHCARD QUESTION
Front
What is the unit of capacitance?
Back
Farad
4.
FLASHCARD QUESTION
Front
It is the flow of positive charge from the positive to the negative terminal.
Back
conventional current
5.
FLASHCARD QUESTION
Front
What is the effect of temperature on the resistance of a metallic conductor?
Back
As the temperature increases, the resistance also increases.
6.
FLASHCARD QUESTION
Front
Instrument used to measure current.
Back
Ammeter
7.
FLASHCARD QUESTION
Front
What is a resistor?
Back
A resistor is an electrical component designed to limit or regulate the flow of electrical current in a circuit. Think of it as a traffic controller for electrons, ensuring they don't rush through too quickly.
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