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4 cards from this section. Quick, good the night before a test.
What happens to the resistance when the length of a wire is increased?
Think about how distance affects movement.
Does a thicker wire have more or less resistance?
Consider how space influences flow.
What is the relationship between the length of a wire and its resistance?
How would running longer distances affect your stamina?
True or False: A thicker wire has more resistance than a thinner wire.
Consider how pipe sizes affect water flow.
A 3-meter long aluminum wire has a resistance of 0.22 ohms. If the wire is doubled in length but maintains its original diameter, what would be the new resistance?
Consider how length directly affects resistance.
If a metal wire's resistance is measured at room temperature and then heated to red hot, estimating the resistance might be key. If the initial resistance was 5 Ω, what might it be after heating?
Reflect on temperature's effect on resistance in metals.
5 more questions in this section. Enroll free to practise them all.
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