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Frage 1
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What is Charging by Friction
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Takes place when contact is made between a neutral object and a charged object
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when static charges build up as different materials rub together
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when a charged object is close to a neutral object, the electric field of the charged object produces an attractive force on the neutral object
Frage 2
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What is charging by Contact?
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When static charges build up as different materials rub together
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When a charged object is close to a neutral object, the electric field of the charged object produces an attractive force on the neutral object
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takes place when contact is made between a neutral object and a charged object
Frage 3
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An insulator is a material in which electrons cannot move easily from one atom to another, what is an example
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rubber
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copper
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aluminum
Frage 4
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An electrical conductor is a material in which electrons can move easily between atoms
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- True
- False
Frage 5
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Water is both an insulator and conductor
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- True
- False
Frage 6
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like charges attract
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- True
- False
Frage 7
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Opposite charges attract
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- True
- False
Frage 8
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Charged and neutral objects repel each other
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- True
- False
Frage 9
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The electrostatic series
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is a way to predict what charged will be gained by objects when they are rubbed together.
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are a series of technologies that use static charges in order to accomplish a task
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is a way to tell what is connected in parallel and what is connected in series
Frage 10
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In a series circuit there is only one path in which electrons can flow
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- True
- False
Frage 11
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In a parallel circuit there is only one path along which electrons can flow
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- True
- False
Frage 12
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What is an electric current
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A flow of electric charge. Is often carried by moving electrons in a wire. ( A ) Amperes ( I )
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The difference of electrical potential between two points ( V ) Voltage
Frage 13
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The difference of electrical potential between two points is
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Electrical Current
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Voltage
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Resistance
Frage 14
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What is the calculation of Ohm's law?
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V=IR
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R=V/I
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I=V/R
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All of the answers
Frage 15
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An ammeter is connected in series in a circuit
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- True
- False
Frage 16
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A voltmeter is connected in series
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- True
- False
Frage 17
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How is the potential difference measured in series
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Vt=V1+V2+V3...
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Vt=V1=V2=V3...
Frage 18
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How is the current measured in parallel?
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It=I1=I2=I3...
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It=I1+I2+I3...
Frage 19
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What are examples of non-renewable energy sources
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fossil fuels, coal, oil, and natural gas
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wind energy,solar energy, geo-thermal
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