Physics Topic 1 - Electricity

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  • Created by: Livy
  • Created on: 06-10-13 19:17
Causes of electrical shock?
Damaged plug, damaged insulin, frayed cables, overheating cables, damn/wet condition
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What is electrical wiring made of?
Copper, silver would be better but is too expensive
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What feature does domestic wring have?
Double insulation and three separately insuled wires inside
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What are the tiny particles that move through a wire?
Electrons
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What melts if the current is too high?
Fuse
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Is an ammeter connected in series or parallel?
Series
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What is conventional current?
When current flows from positive to negative
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What does an ammeter measure?
The rate of the flow of current
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What is Ohm's Law?
(Voltage = Current x Resistance) V=IR
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What is resistance measured in?
Ohms
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What is power measured in?
Watts (W)
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What is electrical power equal too?
Current x Potential Difference (P=IV)
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Resistance equation?
R=V/I
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Current equation?
I=V/R
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What do voltmeters go into?
Parallel circuits
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How does an LDR work?
Darker=more resistance
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How does a Thermistor work?
Colder=more resistance
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How is static electricity caused?
Things rubbing against each other (transferring electrons)
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Electrical pneumonic?
Quentin Would Vote Presidentially If Quentin Truly Wanted Peace. I Vote Respectfully.
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Energy equation?
E=P(IV)T
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Other cards in this set

Card 2

Front

What is electrical wiring made of?

Back

Copper, silver would be better but is too expensive

Card 3

Front

What feature does domestic wring have?

Back

Preview of the front of card 3

Card 4

Front

What are the tiny particles that move through a wire?

Back

Preview of the front of card 4

Card 5

Front

What melts if the current is too high?

Back

Preview of the front of card 5
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