Site MapHelpFeedbackSection 10.2
Section 10.2
(See related pages)

1
Which of the following devices is used to detect the presence of electric charges?
A)electroscope
B)ammeter
C)conductivity tester
D)resistor
2
What occurs when a positively charged object touches a neutral pith ball?
A)The pith ball gains a negative charge.
B)The pith ball gains a positive charge.
C)The pith ball remains neutral.
D)The protons leave the object, which makes it become negatively charged.
3
The laws of electric charges state that…
A)negatively charged objects and neutral objects attract each other.
B)positively charged objects and neutral objects repel each other.
C)objects with similar charges attract each other.
D)objects with opposite charges attract each other.
4
An induced charge separation involves…
A)grounding the leaves of the electroscope.
B)changing the electroscope to a negative charge.
C)no direct contact between objects.
D)direct contact between objects.
5
The strength of an electric field increases when …
A)the distance between the objects increases.
B)the distance between the objects decreases.
C)the object is grounded.
D)the net charges of the objects decrease.





To learn more about the book this website supports, please visit its Information Center.
(c)2009 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Notice.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


ON Science 9Online Learning Center

Home > Chapter 10 > Section 10.2