Post on 31-Dec-2015
description
transcript
Template by Bill Arcuri, WCSD
Who Wants to Be a
Millionaire?
Template by Bill Arcuri, WCSD
Electricity
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Template by Bill Arcuri, WCSD
Phone A Friend
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Ask the Audience
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Fifty - Fifty
You’ve asked that two of the wrong answers be eliminated, leaving you with one wrong answer plus the correct one.
50/50
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Correct
Correct!
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Incorrect
Sorry, That’s Incorrect
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Mechanical to electrical
Energy conversion in an electric generator is
Electrical to mechanical
Electrical to chemcial
Chemical to electrical
50/50
A
C D
B
Template by Bill Arcuri, WCSD
Electric current
A stationary charged particle is surrounded by
magnetic field electric field
Electric and magnetic fieldA
C D
B
50/50
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Is doubled
If resistance is double while the voltage remains the same, the current will___
Is halvedCannot be determined
Remains constantA
C D
B
50/50
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field
The sparks that occur when you pull a sweater over your head is ____
discharge resistance
currentA
C D
B
50/50
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Surrounded by electric field
Which of the following doesn’t apply to electric current?
Transfers electrical energy
Is a flow of electrons
Measured in voltsA
C D
B
50/50
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Permanent magnet
An electromagnet is a type of
Parallel circuitTemporary
magnet
generatorA
C D
B
50/50
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Series and parallel circuits
Ohm’s Law expresses a relationship between ___
Voltage, current,
resistance
Voltage, current and discharge
Electric and magnetic
chargeA
C D
B
50/50
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current
Path in which electrons flow is electric_____
insulator field
circuitA
C D
B
50/50
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Magnetic field
Group of iron atoms whose magnetic poles are oriented in the same direction.
electromagnetMagnetic domain
Magnetic poleA
C D
B
50/50
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current
In Ohm’s Law, “I” stands for
resistance voltages
temperatureA
C D
B
50/50
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voltage
Current is measured in ______
temperature circuit
amperesA
C D
B
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circuit
Collision between moving electrons in circuit and other particles results in____
Temperature difference
Electric resistance
currentA
C D
B
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Magnetic domains
A permanent magnet is formed when all the _______ of magnetic material line up.
Potential energy
electrons
Magnetic fieldA
C D
B
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catalyst
A _______converts mechanical energy into electrical energy using the relative motion of a magnet and wire loop.
battery Magnetic field
generatorA
C D
B
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Magnetic field
A compass needle points north because the Earth is surrounded by a ______
energy Sun light
cloudsA
C D
B
50/50