Resistance

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  • Created by: EliseCeri
  • Created on: 13-04-15 12:14
What is the current through a component measured with?
An ammeter
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Where do you place an ammeter on a circuit?
In series with the component
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What is the potential difference of a component measured with?
Parallel to the component
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What does OHMS law state?
The current through a resistor at a constant temperature is directly proportional to the potential difference across the resistor
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How do you work out the Potential different (v)
V= W/Q or E/Q W is the work done; Q is the charge in coulombs; E is energy transferred in Joules
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How do you work out the resistance (R)
R = V/I V is The potential difference; I is the current in amps
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Other cards in this set

Card 2

Front

Where do you place an ammeter on a circuit?

Back

In series with the component

Card 3

Front

What is the potential difference of a component measured with?

Back

Preview of the front of card 3

Card 4

Front

What does OHMS law state?

Back

Preview of the front of card 4

Card 5

Front

How do you work out the Potential different (v)

Back

Preview of the front of card 5
View more cards

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