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  1. AP Physics 1
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DC Circuits

Question 1
college-boardPhysics 1APExam Style
1 mark

What property of materials describes how easily they allow current to flow?

Question 2
college-boardPhysics 1APExam Style
1 mark

How does increasing the length of a copper wire affect its overall resistance?

Question 3
college-boardPhysics 1APExam Style
1 mark

What impact does increasing temperature generally have on metallic conductor's resistivity assuming thermal agitation primarily affects electrons?

Question 4
college-boardPhysics 1APExam Style
1 mark

Imagine two wires of identical materials but different lengths (L1L_1L1​ and L2L_2L2​ where L2=2L1L_2 = 2L_1L2​=2L1​) carrying the same current; how does the voltage drop across them compare given that resistivity and cross-sectional area are constants?

Question 5
college-boardPhysics 1APExam Style
1 mark

What is the SI unit of resistivity?

Question 6
college-boardPhysics 1APExam Style
1 mark

What happens to the overall resistance of a circuit when a wire with lower resistivity replaces one with higher resistivity, assuming all other factors remain constant?

Question 7
college-boardPhysics 1APExam Style
1 mark

If two wires made of the same material have different thicknesses, which wire has less resistance?

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Question 8
college-boardPhysics 1APExam Style
1 mark

In measuring Resistor Temperature Coefficients(TCR), why might results vary when using precision digital multimeters verses analog voltmeters?

Question 9
college-boardPhysics 1APExam Style
1 mark

What instrument is typically used to measure the voltage across a resistor?

Question 10
college-boardPhysics 1APExam Style
1 mark

In an electric circuit, what kind of energy does a battery primarily provide?