AP® Physics C: E&M - Resistor-Capacitor (RC) Circuits - MCQs
Questions
An uncharged 3.0 F capacitor is placed in a circuit with an ideal battery, two resistors, and an open switch S, as shown in the figure above. The switch is then closed. What is the current in the 20 Τ resistor a long time after the switch is closed?
(A) Zero
(B) 1.0 A
(C) 1.5 A
(D) 3.0 A
(E) 10 A
▶️Answer/Explanation
Ans: B
Questions
An uncharged 3.0 F capacitor is placed in a circuit with an ideal battery, two resistors, and an open switch S, as shown in the figure above. The switch is then closed. What is the current in the 10 Τ resistor
immediately after the switch is closed?
(A) Zero
(B) 1.0 A
(C) 1.5 A
(D) 3.0 A
(E) 10 A
▶️Answer/Explanation
Ans: D
Questions
A capacitor of capacitance C is connected in series with resistance R and a battery of emf \(\varepsilon \). The graph above shows the charge q on the capacitor approaching a value \(q_{max}\) with increasing time t. What is \(q_{max}\) ?
▶️Answer/Explanation
Ans: E