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Electric Resistance Online Assessment
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What is your FIRST name?
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Your answer
What is your LAST name?
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Your answer
Who is your physics teacher?
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Schmidt
Tautz
Volkening
What period do you have physics?
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1
3
4
5
6
A certain resistor has a resistance of R. What will be the new resistance if the length of the resistor is cut in half AND the cross sectional area of the resistor is tripled?
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1 point
R/3
R/6
3R/2
6R
Resistor A is cylindrical and has a resistance of R. What will be its new resistance if its radius is doubled?
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1 point
2R
4R
R/2
R/4
You have an extension cord that is 10. meters long and has a circular cross-section with a diameter of 0.21 cm. If the resistance of this extension cord is 0.049 ohms, what is the resistivity of the material it is made with?
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1 point
6.9 x 10^(-8) ohm*meters
1.0 x 10^(-5) ohm*meters
1.7 x 10^(-8) ohm*meters
6.5 x 10^(-5) ohm*meters
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