Question

A 25.0 uF capacitor is charged by a 15.0 V battery through a resistor of resistance R = 750 kΩ. How long will it take for the capacitor to reach a potential difference of 5.00 V?

Answer #1

A1.50 uF capacitor is charging through a 12.0Ω resistor using a
15.0 V battery. What will be the current when the capacitor has
acquired 1/4 of its maximum charge

A 10.0 µF capacitor is charged by a 13.0 V battery through a
resistance R. The capacitor reaches a potential difference of 4.00
V at a time 3.00 s after charging begins. Find R.

A 9.0 µF capacitor is charged by a 12.0 V battery through a
resistance R. The capacitor reaches a potential difference
of 4.00 V at a time 3.00 s after charging begins. Find
R.

In RC Circuit a 35 uf capacitor is charged with so Volt battery.
It discharges in resistance of R. After 3.2 m.5 Voltage of
capacitor is 20volt. Find cas Time constant of circuit. (b).
Maximum charge. (C) charge of capactor after half of Time constant.
(d). How long does take to have zero Voltage on capacitor? (
Discharging )

A 20.0 μF capacitor initially charged to 30.0
μC is discharged through a 2.50 kΩ resistor. How long does
it take to reduce the capacitor's charge to 15.0 μC ?
Express your answer with the appropriate units.

A 16.0 μF capacitor is charged to a potential of 50.0 V and then
discharged through a 225 Ω resistor.
a. How long does it take the capacitor to lose half of its
charge?
b. How long does it take the capacitor to lose half of its
stored energy?

A 14.0 ??F capacitor is charged to a potential of 50.0 V and
then discharged through a 180 ?? resistor. Part A How long does it
take the capacitor to lose half of its charge? Part B How long does
it take the capacitor to lose half of its stored energy?

A 11.5-µF capacitor is charged to a potential of 55.0 V and then
discharged through a 155-Ω resistor.
(a) How long does it take the capacitor to lose half of its
charge?
ms
(b) How long does it take the capacitor to lose half of its stored
energy?
ms

A 15.9 μF capacitor is charged to a potential of 60.0 V
and then discharged through a 75.0 Ω resistor.
(a) How long after discharge begins does it take for the
capacitor to lose 90.0% of the following?
(i) its initial charge
s
(ii) its initial energy
s
(b) What is the current through the resistor at both times in part
(a)?
(i) at tcharge
A
(ii) at tenergy
A

1. A capacitor charging circuit consists of a battery, an
uncharged 20 μF capacitor, and a 4.8 kΩ resistor. At t = 0 s the
switch is closed; 0.15 s later, the current is 0.62 mA . What is
the battery's emf?
2. A 10 μF capacitor initially charged to 30 μC is discharged
through a 1.2 kΩ resistor. How long does it take to reduce the
capacitor's charge to 10 μC?

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