Physics Chapter 22

58 Questions  I  By Qtkhmerqueen143
Physics Chapter 22
Physics Chapter 22

  
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1.  Which force binds atoms together to form molecules?
A.
B.
C.
D.
E.
2.  The fundamental force underlying all chemical reactions is
A.
B.
C.
D.
E.
3.  In an electrically neutral atom the number of protons in the nucleus is equal to the number of
A.
B.
C.
D.
4.  A positive ion has more
A.
B.
C.
D.
E.
5.  Strip electrons from an atom and the atom become a
A.
B.
C.
6.  To say that electric charge is quantized is to say that the charge on an object
A.
B.
C.
D.
7.  To say that electric charge is conserved is to say that electric charge
A.
B.
C.
D.
8.  The unit of electric charge, the coulomb, is the charge on
A.
B.
9.  A main difference between gravitational and electric forces is that electrical forces
A.
B.
C.
D.
E.
10.  The electrical force between charges is strongest when the charges are
A.
B.
C.
11.  The electrical force between charges depends on the
A.
B.
C.
D.
12.  A transistor is an example of
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B.
C.
D.
E.
13.  Superconductors are noted for their
A.
B.
C.
14.  Rub electrons from your hair with a comb and the comb becomes
A.
B.
15.  An electron and a proton
A.
B.
16.  Two protons attract each other gravitationally and repel each other electrically. By far the greater is
A.
B.
C.
17.  The primary purpose of a lightning rod is to
A.
B.
C.
D.
18.  To say that an object is electrically polarized is to say
A.
B.
C.
D.
E.
19.  A balloon will stick to a wooden wall if the balloon is charged
A.
B.
C.
D.
20.  When a car is struck by lightning, the resulting electric field inside the car is
A.
B.
C.
D.
21.  Electric potential, measured in volts, is the ratio of electric energy to amount of electric
A.
B.
C.
D.
E.
22.  The electric field inside the dome of a Van de Graaff generator
A.
B.
C.
D.
23.  An uncharged pitch ball is suspended by a nylon fiber. When a negatively charged rubber rod is brought nearby, without touching it, the pitch ball
A.
B.
C.
D.
E.
24.  The net charge on a charged capacitor
A.
B.
C.
D.
E.
25.  Charges on the plates of a charged capacitor reside on the surfaces
A.
B.
26.  When the distance between two charges is halved, the electrical force between the charges
A.
B.
C.
D.
E.
27.  Particle A and particle B interact with each other. Particle A has twice the charge of particle B. Compared to the force on Particle A, the force on Particle B is
A.
B.
C.
D.
E.
28.  If you comb your hair and the comb becomes positively charged, then your hair becomes
A.
B.
C.
29.  To say that electric charge is conserved means that no case has ever been found where
A.
B.
C.
D.
E.
30.  A difference between electric forces and gravitational forces is that electrical forces include
A.
B.
C.
D.
E.
31.  A conductor differs from an insulator in that a conductor
A.
B.
C.
D.
E.
32.  A negatively charged rod is brought near a metal can that rests on a wood table. you touch the opposite side of the can momentarily with your finger. The can is then
A.
B.
C.
D.
33.  Every proton in the universe is surrounded by its own
A.
B.
C.
D.
34.  The direction of an electric field is the direction of the force that it would exert on
A.
B.
C.
D.
E.
35.  The electric field around an isolated electron has a certain strength 1 cm from the electron. the electric field strength 2 cm from the electron is
A.
B.
C.
D.
E.
36.  If you use 10 J of work to push a coulomb of charge into an electric field, its voltage with respect to its starting position is
A.
B.
C.
37.  If you use 10 J of work to push a charge into an electric field and then release the charge, as it flies past its starting position, its kinetic energy is
A.
B.
C.
38.  An electroscope is charged positively as shown by foil leaves that stand apart. as a negative charge is brought close tot he electroscope, the leaves
A.
B.
C.
39.  Charge carriers in a metal are electrons rather than protons because electrons are
A.
B.
C.
D.
E.
40.  To be safe in the unlikely case of a lightning strike, it is best to be inside a building framed with
A.
B.
C.
41.  A charged balloon neatly illustrates that something can have a great amount of
A.
B.
C.
D.
42.  Normally a balloon charged to several thousand volts has a relatively small amount of
A.
B.
C.
D.
43.  You can touch a 100,000- volt Van de Graaff generator with little harm because although the voltage is high, the relatively small amount of charge means there is a relatively small amount of
A.
B.
C.
D.
44.  Two charges separated by one meter exert 1-N forces on each other if the charges are pulled to 3-m separation distance, the force on each charge will be
A.
B.
C.
D.
E.
45.  Two charges separated by one meter exert 1-N forces on each other. If the charges are pulled to 3-m separation distance, the force on each charge will be
A.
B.
C.
D.
E.
46.  Two charges separated by one meter exert 1-N forces on each other. If the magnitude of each charge is doubled, the force on each charge is
A.
B.
C.
D.
E.
47.  The electrical force on a 2-C charge is 60 N. What is the value of the electric field at the place where the charge is located?
A.
B.
C.
D.
E.
48.  Two charged particles repel each other with a force F. If the charge of one of the particles is doubled and the distance between them is also doubled, then the force will be
A.
B.
C.
D.
E.
49.  Two charged particles attract each other with a force F. If the charges of both particles are dubled, and the distance between them also doubled, then the force of attraction will be
A.
B.
C.
D.
E.
50.  When a single charge q is placed on one corner of a square, the electric field at the center of the square is F/q. If three other equal charges are placed on the other corners, the electric field at the center of the square due to these four equal charges is
A.
B.
C.
D.
E.
51.  When a single charge q is placed at one corner of a square, the electric field at the center of the square is F/q. If two other equal charges are placed at the adjacent corners of the square, the electric field at the center of the square due to these three equal charges is
A.
B.
C.
D.
E.
52.  An electron is pushed into an electric field where it acquires a 1-V electrical potential. If two electrons are pushed the same distance into the same electric field, the electrical potential of the two electrons is
A.
B.
C.
D.
E.
53.  The electric field inside an uncharged metal ball is zero. If the ball is negatively charged, the electric field inside the ball is then 
A.
B.
C.
54.  Two charged particles held close to each other are released. As they move, the force on each particle increases. Therefore, the particles have 
A.
B.
C.
55.  Two charged particles held close to each other are released. As the particles move, the velocity of each increases. Therefore, their charges have 
A.
B.
C.
56.  A positive charge and a negative charge held near each other are released.  As they move, the force on each particle
A.
B.
C.
57.  Two charged particles held near each other are released. As they move, the acceleration of each decreases.  Therefore, the particles have
A.
B.
C.
58.  A proton and an electron are placed in an electric field. Which undergoes the greater acceleration?
A.
B.
C.
D.
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