
AP Physics 2 Electrostatics exam review

Flashcard
•
Physics
•
11th Grade - University
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate the electric force between two charges?
Back
The electric force (F) between two charges (q1 and q2) is given by Coulomb's Law: F = k * |q1 * q2| / r^2, where k is Coulomb's constant and r is the distance between the charges.
2.
FLASHCARD QUESTION
Front
What is the definition of electric field?
Back
The electric field (E) is defined as the force (F) per unit charge (q) experienced by a positive test charge placed in the field: E = F/q.
3.
FLASHCARD QUESTION
Front
How does the distance between two charges affect the electric force between them?
Back
The electric force decreases with the square of the distance between the charges, as described by Coulomb's Law.
4.
FLASHCARD QUESTION
Front
What is the charge of a single electron?
Back
The charge of a single electron is approximately -1.6 x 10^-19 coulombs.
5.
FLASHCARD QUESTION
Front
How can you determine the number of excess electrons in an object with a known excess charge?
Back
To find the number of excess electrons, divide the excess charge (Q) by the charge of a single electron (e): Number of electrons = Q/e.
6.
FLASHCARD QUESTION
Front
What is the relationship between electric field and force for a charged object?
Back
The force experienced by a charged object in an electric field is directly proportional to the charge of the object and the strength of the electric field: F = qE.
7.
FLASHCARD QUESTION
Front
What is the significance of a negative charge in electrostatics?
Back
A negative charge indicates an excess of electrons, which affects the direction of the electric field and the force experienced by other charges.
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