Resistance

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What is resistance?
The property of a material to reduce the flow of electrical current due to collisions of free electrons
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What is the equation for resistance?
resistance = potential difference/current
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What is the unit for resistance?
Ohms
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What is the unit for potential difference?
Volts (V)
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What is the unit for current?
Amps (A)
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How does the length of a wire affect its resistance?
Increasing the length of the wirwee will increase the resistance
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How does the thickness of a wire affect its resistance?
The thicker the wire, the lower the resistance
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Other cards in this set

Card 2

Front

What is the equation for resistance?

Back

resistance = potential difference/current

Card 3

Front

What is the unit for resistance?

Back

Preview of the front of card 3

Card 4

Front

What is the unit for potential difference?

Back

Preview of the front of card 4

Card 5

Front

What is the unit for current?

Back

Preview of the front of card 5
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