Electrostatics Answers

10 verified answers
1
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Which pair does NOT have an electric force between them?

A
a positive object and negative object
B
two positive objects
C
two neutral objects
D
two negative objects
2
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Which statements best characterize conductors? Check all that apply.Conductors allow electricity to easily move through them.Glass is an example of a conductor.Metal is an example of a conductor.Conductors do not allow electricity to easily move through them.Conductors restrict the flow of thermal energy.

A
Conductors allow electricity to easily move through them.
B
Glass is an example of a conductor.
C
Metal is an example of a conductor.
D
Conductors do not allow electricity to easily move through them.
E
Conductors restrict the flow of thermal energy.
3

Through which element would someone most likely receive a shock?

A
iodine (I)
B
sulfur (S)
C
phosphorus (P)
D
chromium (Cr)
4

Tracy scuffs her socked feet across a carpet. When she touches a doorknob, she gets a small shock.How did Tracy become charged?

A
through friction between her hand and the doorknob
B
through friction between her feet and the carpet
C
through conduction between her hand and the doorknob
D
through conduction between her feet and the carpet
7

Marta, Cato, and Juan plan a skit to illustrate one of the methods of charging.Marta and Cato are walking together. Each has one flower and one box of candy. Juan offers Cato a huge bouquet of flowers, but Cato can’t take it because his hands are full.Cato hands his flower to Marta and then turns to Juan to take the bouquet.Marta walks away in one direction with two flowers and one box of candy. Juan keeps the bouquet and walks away in the other direction. Cato looks sad standing alone with only a box of candy.

A
It models induction because an electron (a flower) transfers from Cato to Marta through direct contact.
B
It models friction because an electron (a flower) transfers from Cato to Marta through direct contact.
C
It models friction because the offer of flowers represents a charged object that causes an electron (a flower) to transfer from one object to another.
D
It models induction because the offer of flowers represents a charged object that causes an electron (a flower) to transfer from one object to another.
8

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Answer not available
9

How do the charges compare when two objects are charged through friction?

A
The objects become oppositely charged and have equal amounts of charge.
B
The objects become positively charged and have equal amounts of charge.
C
The objects become negatively charged and have different amounts of charge.
D
The objects become oppositely charged and have different amounts of charge.

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