Physics - Paper 1 - Test 3

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  • Created by: gg210506
  • Created on: 27-02-20 21:54
What is needed for electrical charge to flow through a closed circuit?
A source of potential difference
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What is electric current?
The rate of flow of electrical charge
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In most circuits , what is the charge that flows to carry the current?
Electrons
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What is the word equation for flow of charge?
charge flow = current x time
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What is the symbol equation for flow of charge?
Q = l t
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What is the unit of charge?
Coulombs , C
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What is the unit of current?
Ampenes , A
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At any point in a single closed loop , the current...
is the same.
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The current through any component depends on...
the resistence ( R ) of the component and the potential difference ( V ) across it.
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What is the definition of resistence?
The amount that a component opposes the flow of current
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What is the unit of resistance?
Ohmns , Ω
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What is the alternative term for potential difference , that means the same thing?
Voltage
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Other cards in this set

Card 2

Front

What is electric current?

Back

The rate of flow of electrical charge

Card 3

Front

In most circuits , what is the charge that flows to carry the current?

Back

Preview of the front of card 3

Card 4

Front

What is the word equation for flow of charge?

Back

Preview of the front of card 4

Card 5

Front

What is the symbol equation for flow of charge?

Back

Preview of the front of card 5
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