IGCSE Physics: Electricity

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  • Created by: iamme
  • Created on: 29-02-16 11:01
Current in a resistor results in...
an electrical transfer of energy and a rise in temperature.
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Watta (P)=
Amps (I) x Volts (V)
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Energy trnaferred in Joules (E)=
current in amps (I) x potential differences in volts (V) x time in seconds (t)
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AC and DC stands for...
alternating current and direct current.
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DC flows in...
one direction.
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AC current constantly...
changes direction.
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If you put more lamps into a series circuit...
the lamps will be dimmer than before.
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In a series circuit, if a lamp breaks or a componant is disconnected...
the circuit is broken and all the componants stop workng.
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Series circuits are useful if...
you want a warning that one of the componants has broken or you need to use less wiring.
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In a parralel circuit, if a lamp breaks or a componant is disconnected from one parrallel wire...
the componants on the other branches keep working.
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If you add more lamps in parallel to a series circuit...
the lamps maintain te same brightness.
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Other cards in this set

Card 2

Front

Watta (P)=

Back

Amps (I) x Volts (V)

Card 3

Front

Energy trnaferred in Joules (E)=

Back

Preview of the front of card 3

Card 4

Front

AC and DC stands for...

Back

Preview of the front of card 4

Card 5

Front

DC flows in...

Back

Preview of the front of card 5
View more cards

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