C
p2
E =
k 2m
Capacitor discharge
Motion in a circle
Q = Q e−t/RC
Question
Physics
CAIE2024
2
t
discharge of a capacitor x = x e- RC
Question
Physics
CAIE2023
the time in each cycle during which the capacitor discharges through the
resistor.
time = s
[4]
(ii) Using your answers in (i), calculate
Question
Physics
Edexcel2023
C p2
E =
k 2m
Capacitor discharge
Motion in a circle
Q = Q e−t/RC
Question
Physics
Edexcel2023
A charged capacitor is discharged through a resistor. The potential difference across the
capacitor halved in a time t. The time constant is T.
Which of the following is the equation for t?
ln2
A t =
T
Question
Physics
Edexcel2022
C
p2
E =
k 2m
Capacitor discharge
Motion in a circle
Q = Q e−t/RC
Question
Physics
Edexcel2021
C
p2
E =
k 2m
Capacitor discharge
Motion in a circle
Q = Q e−t/RC
Question
Physics
Edexcel2020
C
p2
E =
k 2m
Capacitor discharge
Motion in a circle
Q = Q e−t/RC
Question
Physics
CAIE2016
the time in each cycle during which the capacitor discharges through the resistor.
time = ............................................................ s
[3]
(ii) Using your answers in (i), calculate