• Protons
• Neutrons
• Electrons
• #### 2.  If charge X applies an electric force F to the right on charge Y, then which of the following is a true statement about the electric force that Y applies to X

• equal to F to the right
• equal to F to the left
• equal to 2F to the right
• equal to 2F to the left
• #### 3.  Two students are trying to decide whether or not Object A is charged. They perform the following two tests:Test 1: They bring Object A near a positively charged tape and observe repulsion.Test 2: They bring Object A near a negatively charged tape and observe attraction.These two tests lead to the conclusion that Object A is _____.

• charged negatively
• charged positively
• electrically neutral
• charged, but with an unknown type of charge
• #### 4.  What happens when you touch a metal doorknob after rubbing your shoes on the carpet causing the carpet to become positively charged?

• The doorknob sends a burst of electric current into your body
• Millions of electrons go from your finger into the doorknob
• The doorknob sends millions of electrons into your finger
• our finger becomes negatively charged
• #### 5.  Good insulators

• have electrons free to move around
• have tightly bound electrons
• have electrons do not move at all
• All of above

• Proton
• Neutron
• Electron

• induction
• conduction
• friction

• Induction
• Conduction
• Friction

• Electrons
• Protons
• Neutrons
• #### 10.  A metal sphere as a net positive charge of 1.3x10-7 C. approximately how many more electrons than protons are on the sphere?

• 8.125x1011protons
• 2.08x10-26 protons
• 9x109 protons
• 1.6x1019 protons
• #### 11.  When using the "right hand rule", which way should you point your thumb

• Toward the negative end of the wire
• Toward the positive end of the wire
• You can point your thumb either way
• #### 12.  What happens to the charges during induction?

• They transfer
• They rearrange
• They neutralize
• They disappear

• Induction
• Conduction
• Friction

• Coulombs law
• Ohms law
• Newtons law

• Volts
• Amps
• Coulombs
• Ohms
• #### 16.  Which will experience a greater acceleration and why?

• The proton will experience a greater acceleration becasue it has a greater mass
• The electron will experience a greater acceleration because it has a smaller mass
• The proton will experience a greater acceleration since the force acting on it is greater
• The electron will experience a greater acceleration because the force acting on it is greater

• Right
• Left
• Up
• Down
• #### 18.  The invisible region around any charged object

• electric force
• electric discharge
• electric field
• bonding charge
• #### 19.  What is the unit for Electric Force?

• Newton
• Couloumb
• Newtons/Couloumb
• Nano
• #### 20.  How is the electric force between two charges affected when both of the charges are doubled?

• Four times as much.
• Two times as much.
• Half as much.
• One-quarter as much.

• 32 V
• 23.5 V
• 80,000 v
• .0000125 V
• #### 22.  Which of the following is a true statement about the electric field between the two plates?

• The field is attractive between the plates and uniform in strength
• The field is repulsive between the plates and uniform in strength
• The field is attractive between the plates and strongest near the positive
• The field is repulsive between the plates and strongest near the positive
• #### 23.  Gravitational forces are

• attractive only
• repulsive only
• attractive and repulsive
• #### 24.  How do objects become electrically charged?

• Protons move from one object to another
• Neutrons move from one object to another
• Electrons move from one object to another
• Neutrons and electrons trade places
• #### 25.  A negatively charged particle has

• more protons than electrons
• more electrons than protons
• neutrons and protons but no electrons
• an equal number of protons and electrons
• #### 26.  The SI standard unit of charge; equal to the magnitude of the charge of 6.24 x 1018 electrons or protons.

• Grounding
• Capacitor
• Coulomb
• Equipotential

• Proton
• Neutron
• Electron
• Positron
• #### 28.  The Gold Foil Experiment determined-

• there are positive and negative charges
• the flow of electrons towards a positive plate causes electricity to flow
• the mass of the electron
• the charge of the electron
Report Question
access_time