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Static electricity is .
A.) Electronic charges flowing in no particular direction.
B.) The flowing of protons from positive to negative.
C.) The diffusion of electrons from an area of high concentration to low concentration.
D.) None of the above
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Definition
A.) Electronic charges flowing in no paarticular direction. |
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Term
In static electricity, are the only particle that moves.
A.) Protons
B.) Electrons
C.) Neutrons
D.) Leptons |
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Definition
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Term
True or False: Charged objects lose their charge when grounded.
A.) True
B.) False |
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Definition
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Term
Static electricity is generated through .
A.) Currents
B.) Motion
C.) Turbines
D.) Friction |
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Definition
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Term
Electrons that are transferred from one object to another are stored on the of an object.
A.) Interior
B.) Proruptions
C.) Surface
D.) Circuits |
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Definition
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Term
True or false: Examples of insulators include rubber, plastic, glass, pitch, and or metal.
A.) True
B.) False |
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Definition
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Term
True or False: Most matter is electrically neutral.
A.) True
B.) False |
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Definition
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Term
Determine the charge of an object that has 3.62 x 1012 more protons than electrons (the charge of a proton is 1.9 x 10-19 ).
A.) +5.8 x 10-7 C
B.) +4.0 x 10-8 C
C.) -5.8 x 1012 C
D.) +3.62 x 1012 C |
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Definition
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Term
A conductor differs from an insulator in that a conductor ________.
A.) Has an excess of protons
B.) Has an excess of electrons
C.) Can become charged and an insulator cannot
D.) None of the above |
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Definition
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Term
A plastic strip is rubbed with cotton and becomes positively charged. The correct explanation for why the plastic strip becomes positively charged is that ______________.
A.)The plastic strip acquired extra protons from cotton.
B.)The plastic strip acqired extra protons from the charging process.
C.) Protons were created as the result of the charging process
D.) The plastic strip lost electrons to the cotton during the charging process. |
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Definition
D.) The plastic strip lost electrons to the cotton during the charging process. |
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Term
Which statement best explains why a rubber rod becomes negatively charged when rubbed with fur?
A.) The rubber that the rod is made of is a better insulator than fur.
B.) The fur is a better insulator than the rubber
C.) Molecules in the rubber rod have a stronger attraction for electrons than the molecules in the fur.
D.) Molecules in the fur have a stronger attraction for electrons than the molecules in the rubber rod. |
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Definition
C.) Molecules in the rubber rod have a stronger attraction for electrons than the molecules in the fur. |
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Term
A neutral metal sphere is touched by a negatively charged metal rod. During the process, electrons are transferred from the ______ to the ________ and the sphere acquires a __________ charge.
A.) Neutral sphere, Charge rod, Negative
B.) Neutral sphere, Charge rod, positive
C.) Charged rod, Neutral sphere, Negative
D.) Charged rod, Neutral sphere, positive |
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Definition
C.) Charged rod, Neutral sphere, Negative |
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Term
After static electricity has been built up on an object via interactions with another object, the electricity can be stored by doing which if the following?
A.) Converting it into kinetic energy
B.) It cannot be stored
C.) Transferring it to a new object
D.) Leaving the object alone |
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Definition
D.) Leaving the object alone |
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Term
The best method to dectect static electricity involves th use of a(n) ___________.
A.) Electrocope
B.) Voltage meter
C.) Amplifier
D.) Static meter |
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Definition
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Term
When an electroscope detects a large charge, it leaves ___________.
A.) Contract and move togther
B.) Separate and flare out
C.) Remain constant
D.) Wave back and forth |
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Definition
B.) Separate and flare out |
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Term
A _________ detects the motion of electrons.
A.) Voltage meter
B.) Static meter
C.) elctroscope
D.) Galvanometer |
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Definition
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Term
A _________ is an energy storage device that provides constant potential difference between two locations, called terminals.
A.) Generator
B.) Capacitor
C.) Fuse
D.) Battery |
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Definition
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Term
A battery utilizes ________ reactions to produce electric energy.
A.) Chemical
B.) Oxidative
C.) Phosphorylative
D.) Combustion |
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Definition
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Term
A ________________________ is a device that converts some means of mechanical energy into electrical energy means of chemical energy.
A.) Capacitor
B. Generator
C.) Battery
D.) motor |
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Definition
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Term
The unit for measuring the current (rate of flow) is the ________
A.)Joule
B.) Coulomb
C.) Amp
D.) Volt |
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Definition
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Term
The potential for energy to move; equivalent to water pressure.
A.) Voltage
B.)Watt
C.) Joule
D.) Faraday |
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Definition
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Term
A _______________ is simply a measure to power.
A.) Watt
B.) Farada
C.) Joule
D.) Coulomb |
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Definition
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Term
The unidirectional flow or movement of electric charge carriers (electrons).
A.) Alternating Current (AC)
B.) Direct current (DC)
C.) Sporaic current (SC)
D.) Functional current (FC) |
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Definition
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Term
A type of current in which charge carries (electrons) periodically reverse their direction of movement.
A.) Alternating current (AC)
B.)Direct current (DC)
C.) Sporadic current (SC)
D.) Functional current (FC) |
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Definition
A.) Alternating Current (AC) |
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Term
True or False: Alternating current is the most common form for transmitting electricity, and is generated at a power station by rotating a wire inside a large magnet.
A.) True
B.)False |
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Definition
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Term
Direct current is a very useful in powering small things. The most commmon source of direct current are _________.
A.) Motors
B.) Generators
C.) Batteries
D.) Circuits |
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Definition
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Term
Unlike generators which kinetic energy into electrical energy, ___________ convert electrical energy into kinetic energy.
A.) Batteries
B.) motors
C.) Turbines
D.) Alternators |
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Definition
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Term
The best way to measure electrical force is through the use of a(n) _______.
A.) Ammeter
B.) Ohmmeter
C.) Wattmeter
D.) Voltmeter |
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Definition
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Term
___________ demonstrated the electrical basis of nerve impules when made frog muscles twich by jolting them with a spark from an electrostatic machine.
A.) Volta
B.) Ampere
C.) Galvani
D.) Siemens |
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Definition
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Term
True or False: The Voltaic pile was the first battery to produce a reliable steady current of electricity.
A.) True
B.) False |
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Definition
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Term
True or False: The electricity responsible for the stimulation of muscle fibers was originally termed " animal electricity."
A.) True
B.) False |
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Definition
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Term
_________ designed the first batter, the voltic pile, and experiment with atmospheric electricity by igniting static sparks.
A.) Galvani
B.) Ohm
C.) Volta
D.) Ampere |
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Definition
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Term
The voltaic pile consisted of alternating discs of _____ and ______ with pieces of cardboard soaked in brine between the metals.
A.) Copper, Aluminum
B.) Nickel, Copper
C.) Brass, Steel
D.) Zinc, Copper |
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Definition
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__________ theoretically and mathematically explained the connection between electricity and magetism, ultimately laying the foundation for the science of electromagnetism.
A.) Volta
B.) Ampere
C.) Joule
D.) Hertz |
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Definition
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Term
The law that relates the net magnetic field along a closed loop to the electric current passing through the loop is known as _______.
A.) Coulomb's Law
B.) Volta's Law
C.) Ampere's Law
D.) Hertz's Law |
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Definition
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__________ proved that electricity can be transmitted in electromagnetic waves.
A.) Joule
B.) Hertz
C.) Ampere
D.) Volta
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Definition
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