What happens to the resistance of a wire as its length increases?

Resistance in Electrical Wires

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Physics
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9th - 10th Grade
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Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The resistance decreases.
The resistance remains the same.
The resistance increases.
The resistance fluctuates.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two wires have the same length but different cross-sectional areas, which one will have lower resistance?
Resistance is not affected by cross-sectional area.
Both will have the same resistance.
The wire with the larger cross-sectional area.
The wire with the smaller cross-sectional area.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does increasing the cross-sectional area of a wire affect its resistance?
It increases the resistance.
It decreases the resistance.
It has no effect on the resistance.
It causes the resistance to fluctuate.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the cross-sectional area of a wire and its resistance?
Resistance is directly proportional to the area.
Resistance is inversely proportional to the area.
Resistance is exponentially related to the area.
Resistance is unrelated to the area.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the resistance of a wire when its temperature is increased?
The resistance remains constant.
The resistance decreases.
The resistance becomes zero.
The resistance increases.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does resistance increase with temperature in a wire?
Because metal ions move less.
Because metal ions vibrate more.
Because electrons stop moving.
Because the wire expands.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect does the vibration of metal ions have on electron movement in a heated wire?
It makes it easier for electrons to pass.
It has no effect on electron movement.
It stops electron movement completely.
It makes it harder for electrons to pass.
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