試題詳解

17. The figure shows three circuits in which a charged capacitor is discharged when the switch is closed. The resistors are identical; the capacitors are identical. The graph shows how the charge q on the capacitor decays with time t. Which plot corresponds to which circuit?

(A) A3, B2, C↔1
(B) A↔1, B↔3, C↔2
(C) A↔2, B↔1, C↔3
(D) A↔3, B↔1, C↔2
(E) A2, B3, C↔1