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  1. AP Physics 2 Revised
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Electric Circuits

Question 1
Physics 2 (2025)APConcept Practice
1 mark

What components are combined to create RC circuits?

Question 2
Physics 2 (2025)APConcept Practice
1 mark

Two capacitors with capacitances C1=2,μFC_1 = 2,\mu\text{F}C1​=2,μF and C2=4,μFC_2 = 4,\mu\text{F}C2​=4,μF are connected in series. What is the equivalent capacitance of the series combination?

Question 3
Physics 2 (2025)APConcept Practice
1 mark

Capacitors with capacitances of 3 μF and 6 μF are connected in parallel. What is the equivalent capacitance?

Question 4
Physics 2 (2025)APConcept Practice
1 mark

Three capacitors are connected as follows: C1=2,μFC_1 = 2,\mu\text{F}C1​=2,μF is in series with C2=4,μFC_2 = 4,\mu\text{F}C2​=4,μF, and this combination is in parallel with C3=6,μFC_3 = 6,\mu\text{F}C3​=6,μF. What is the equivalent capacitance of the entire combination?

Question 5
Physics 2 (2025)APConcept Practice
1 mark

A circuit contains two capacitors, C1C_1C1​ and C2C_2C2​, connected in series. If C1=2,μFC_1 = 2,\mu\text{F}C1​=2,μF and the equivalent capacitance of the series combination is 1,μF1,\mu\text{F}1,μF, what is the value of C2C_2C2​?

Question 6
Physics 2 (2025)APConcept Practice
1 mark

Consider a complex network of capacitors. To find the equivalent capacitance, which of the following strategies is most effective?

Question 7
Physics 2 (2025)APConcept Practice
1 mark

In an RC circuit, a resistor with resistance R=100,ΩR = 100 ,\OmegaR=100,Ω is connected in series with a capacitor of capacitance C=100,μFC = 100 ,\mu\text{F}C=100,μF. What is the time constant τ\tauτ of this circuit?

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Question 8
Physics 2 (2025)APConcept Practice
1 mark

In an RC circuit, if the resistance is doubled and the capacitance is halved, what happens to the time constant?

Question 9
Physics 2 (2025)APConcept Practice
1 mark

An RC circuit has an initial time constant τ\tauτ. If a second resistor, identical to the first, is added in series, and a second capacitor, identical to the first, is added in parallel, how does the new time constant τ′\tau'τ′ relate to the original?

Question 10
Physics 2 (2025)APConcept Practice
1 mark

During the charging of a capacitor in an RC circuit, how does the voltage across the capacitor change over time?