Question

A solenoid having an inductance of 4.77 μH is connected in
series with a 1.15 kΩ resistor. **(a)** If a 12.0 V
battery is connected across the pair, how long will it take in
seconds for the current through the resistor to reach 77.3% of its
final value? **(b)** What is the current through the
resistor at a time *t* = 1.00τ* _{L}*?

Answer #1

A solenoid having an inductance of 4.80 μH is connected in
series with a 1.41 kΩ resistor. (a) If a 12.0 V
battery is connected across the pair, how long will it take in
seconds for the current through the resistor to reach 74.0% of its
final value? (b) What is the current through the
resistor at a time t = 1.00τL?

A solenoid having an inductance of 4.74 μH is connected in
series with a 0.998 kΩ resistor. (a) If a 14.0 V battery is
connected across the pair, how long will it take in seconds for the
current through the resistor to reach 86.3% of its final value? (b)
What is the current through the resistor at a time t = 1.00τL?

An ideal solenoid with 875 turns is 0.250 m long and has a
cross-sectional area of 3.00 ✕ 10−3 m2.
(a) What is the inductance of this solenoid?
H
(b) If we connect this solenoid in series with a 12.0-V battery and
a 195-Ω resistor, what is the maximum value of the current?
A
(c) Assuming the current is zero when t = 0
as the circuit elements are
connected, at what time will the current reach 50% of its...

A 1.15-kΩ resistor and a 590-mH inductor are connected in series
to a 1450-Hz generator with an rms voltage of 15.0 V .
What is the rms current in the circuit?
What capacitance must be inserted in series with the resistor
and inductor to reduce the rms current to half the value found in
part A?

A solenoid with inductance L = 2.0 H is connected in series with
a resistor R = 10 ohms, as well as an AC power supply that is
providing current I(t) = I0 * cos( 2π * f * t ). The
current has an amplitude of 2 A and a frequency of 60 Hz.
a) Draw a diagram of the circuit.
b) At time t = 0 seconds, what is the change in voltage across
both the inductor and...

An uncharged 3.0-μF capacitor is connected in series with a
30-kΩ resistor, an ideal 6.7-V battery, and an open switch. What is
the voltage across the capacitor 21 ms after closing the
switch?
15.2 V
6.70 V
12.0 V
1.39 V

A V = 84-V source is connected in series with an R = 1.1-kΩ
resistor and an L = 34-H inductor and the current is allowed to
reach maximum. At time t = 0 a switch is thrown that disconnects
the voltage source, but leaves the resistor and the inductor
connected in their own circuit.
a) How much time, in milliseconds, is needed for the current in
the circuit to drop to 9 % of its value at t =...

1A)
A circuit consists of a 12.0 V battery, a 100
kΩ resistor, a 20.0 μF capacitor in
series with a switch which is initially in the open position. The
capacitor is initially uncharged. Calculate the charge on the
capacitor 6.00 seconds after the switch is closed. Calculate the
current through the resistor 6.00 seconds after the switch is
closed.
1B)
A 20 μF capacitor has previously charged up to
contain a total charge of Q=100 μC on
it. The...

A 48 μF capacitor is connected in series with a 32 kΩ resistor
and a 6.0 V DC source. (a) If the capacitor is initially uncharged,
how long will it take the capacitor to charge to within 0.50% of
maximum? (b) If the capacitor is replaced with an 96-mH inductor
and the inductor has no current flowing through it initially, how
long will it take the current through the inductor to be within
0.50% of maximum?

A 600 Ω resistor is joined in series with a 800m H inductance
and a 6 Volts battery.
A) What is the time constant of the circuit?
B) How long will it take after the circuit is completed for the
voltage across the resistor to reach 1.50 Volts?
C) How long will it take after the circuit is completed for the
voltage across the resistor to reach 99 percent of 6 Volts?
Please show all your work!

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