Question

A 38.0 V battery with negligible internal resistance, a 55.0 Ω resistor, and a 1.50 mH inductor with negligible resistance are all connected in series with an open switch. The switch is suddenly closed.

1)How long after closing the switch will the current through the inductor reach one-half of its maximum value?

Express your answer in microseconds.

2)How long after closing the switch will the energy stored in the inductor reach one-half of its maximum value?

Express your answer in microseconds.

Answer #1

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Answer the following questions for a 8.25 mH Inductor, 10.3 Ω
resistor and a 6.25 V battery in series with a switch. The inductor
coil has a resistance of 1.70 Ω.
What is the maximum current after the switch is closed?
How long does it take for the current to reach 1/2
maximum?
How much energy is stored in the coil?

A 24-V battery is connected in series with a resistor and an
inductor, with R = 5.0 Ω and L = 5.0 H,
respectively.
(a) Find the energy stored in the inductor when the current
reaches its maximum value.
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(b) Find the energy stored in the inductor one time constant after
the switch is closed.

A 24 V battery is connected in series with a resistor and an
inductor, with R = 11.0 Ω and L = 10.0 H,
respectively. Find the energy stored in the inductor for the
following situations:
(a) when the current reaches its maximum value
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(b) one time constant after the switch is closed
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A 65 ohm resistor is connected in series to a 7.36 mH inductor,
an open switch, and a 27 volt battery. After the switch is closed,
how long will it take for the current in the inductor to reach 109
mA? Express your answer in milliseconds.

A 10.7-V battery, a 4.91-Ω resistor, and a 10.7-H inductor are
connected in series. After the current in the circuit has reached
its maximum value, calculate the following. (a) the power being
supplied by the battery (b) the power being delivered to the
resistor (c) the power being delivered to the inductor (d) the
energy stored in the magnetic field of the inductor

A 11.0-Ω resistor, 6.00-mH inductor, and 70.0-µF capacitor are
connected in series to a 55.0-V (rms) source having variable
frequency. If the operating frequency is twice the resonance
frequency, find the energy delivered to the circuit during one
period.

A 10.5-Ω resistor, 6.50-mH inductor, and 130-µF capacitor are
connected in series to a 55.0-V (rms) source having variable
frequency. If the operating frequency is twice the resonance
frequency, find the energy delivered to the circuit during one
period.

A 10.5-Ω resistor, 6.50-mH inductor, and 130-µF capacitor are
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Answer in mJ

A 11.0-V battery, a 5.08-Ω resistor, and a 10.2-H inductor are
connected in series. After the current in the circuit has reached
its maximum value, calculate the following.
(a) the power being supplied by the battery
_______W
(b) the power being delivered to the resistor
_______W
(c) the power being delivered to the inductor
_______W
(d) the energy stored in the magnetic field of the inductor
_______J

An RC circuit consists of a resistor with a resistance 2 kOhms,
a 120-V battery and two capacitors, C1 and C2, with capacitances of
20.0uF and 60uF, respectively all connected in series. Initially
the capacitors are uncharged; and the switch is closed at t=0
seconds. A.)What is the total capacitance in the circuit? B.)What
is the time constant of the circuit? C.)How much charge will be
stored in each capacitor after a long time has elasped D.)Determine
the total charges...

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