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  1. AP Physics C E M
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Conductors, Capacitors, Dielectrics

Question 1
Physics C: E&MAPConcept Practice
1 mark

Which of the following materials would exhibit the highest electrical conductivity at room temperature?

Question 2
Physics C: E&MAPConcept Practice
1 mark

A capacitor stores 0.01 C of charge when a 10 V potential difference is applied across its plates. What is the capacitance of this capacitor?

Question 3
Physics C: E&MAPConcept Practice
1 mark

Which of the following materials is known for its high electrical conductivity, making it ideal for use in electrical wiring?

Question 4
Physics C: E&MAPConcept Practice
1 mark

A capacitor has a capacitance of 5 μ\muμF and is charged to a voltage of 10 V. What is the charge stored on the capacitor?

Question 5
Physics C: E&MAPConcept Practice
1 mark

A parallel-plate capacitor has a capacitance C0C_0C0​. If the area of the plates is doubled and the distance between the plates is halved, what is the new capacitance?

Question 6
Physics C: E&MAPConcept Practice
1 mark

Two capacitors, one with a capacitance of 2 μ\muμF and the other with a capacitance of 4 μ\muμF, are connected in series. What is the equivalent capacitance of the combination?

Question 7
Physics C: E&MAPConcept Practice
1 mark

Three capacitors are connected in a combination circuit. C1=2μFC_1 = 2 \mu FC1​=2μF and C2=4μFC_2 = 4 \mu FC2​=4μF are in series, and this series combination is in parallel with C3=6μFC_3 = 6 \mu FC3​=6μF. Determine the equivalent capacitance of the entire combination.

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Question 8
Physics C: E&MAPConcept Practice
1 mark

A parallel-plate capacitor is connected to a voltage source. After it is fully charged, a dielectric material is inserted between the plates while the capacitor remains connected to the voltage source. What effect does the dielectric have on the stored energy in the capacitor?

Question 9
Physics C: E&MAPConcept Practice
1 mark

A capacitor with a dielectric has a breakdown voltage of 500 V. If a voltage greater than this is applied, what is likely to happen?

Question 10
Physics C: E&MAPConcept Practice
1 mark

How does increasing the temperature generally affect the conductivity of a metallic conductor?