In: Electrical Engineering

The voltage across a 5 μF capacitor is known to be vc=500te^(−2500t) V for t≥0, where t is in seconds.

a.) Find the current through the capacitor for t>0. Assume the passive sign convention.

b.) Find the power at the terminals of the capacitor when t = 150 μs.

c.) Is the capacitor absorbing or delivering power at t = 150 μs?

d.) Find the energy stored in the capacitor at t = 150 μs.

e.) Find the maximum energy stored in the capacitor.

f.) Find the time when the maximum energy stored in the capacitor occurs.

Given a 2.00 μF capacitor, a 5.25 μF capacitor, and a 2.50 V
battery, find the charge on each capacitor if you connect them in
the following ways.
(a) in series across the battery 2.00 μF capacitor μC 5.25 μF
capacitor
(b) in parallel across the battery 2.00 μF capacitor μC 5.25 μF
capacitor

Given a 2.00 μF capacitor, a 5.00 μF
capacitor, and a 6.50 V battery, find the charge on each capacitor
if you connect them in the following ways.
(a) in series across the battery
2.00 μF capacitor
...μC
5.00 μF capacitor
... μC
(b) in parallel across the battery
2.00 μF capacitor
...μC
5.00 μF capacitor
...μC

A 120 V rms voltage at 60.0 Hz is applied across an inductor, a
capacitor, and a resistor in series. If the peak current in this
circuit is 0.84840 A, what is the impedance of this circuit?

If the voltage amplitude across an 8.50-nF capacitor is equal to
12.0 V when the current
amplitude through it is 3.33 mA, the frequency is closest to:
A) 32.6 MHz
B) 5.20 MHz
C) 32.6 kHz
D) 5.20 kHz
E) 32.6 Hz

Find the voltage ΔV1 across the first capacitor.
Express your answer in terms of ΔV.
Find the charge Q on the first capacitor.
Express your answer in terms of C and ΔV1.
Using the value of Q just calculated, find the equivalent capacitance Ceq for this combination of capacitors in series.
Express your answer in terms of C.

Design a circuit where the voltage across the capacitor matches
the input step function as closely as possible. Sketch/show a
picture of your result and which circuit parameters (R and C you
used). Explain why the output looks like it does.
Design a circuit where the voltage across the capacitor looks
like a triangle wave (each peak looks like a triangle). Sketch/show
a picture of your result and which circuit parameters (R and C you
used). Explain why the output...

A 14.5-μF capacitor is charged to a potential of 40.0 V and then
discharged through a 65.0 Ω resistor.
1. How long after discharge begins does it take for the
capacitor to lose 90.0% of its initial charge?
2. How long after discharge begins does it take for the
capacitor to lose 90.0% of its initial energy?
3. What is the current through the resistor at the time when the
capacitor has lost 90.0% of its initial charge?
4. What...

Sophie's given utility function is U(V, C) = VC + V where V = #
of visits per month and C = # of minutes per month (hundreds). V =
$1 and C = $4 and M = $44.
a) Calculate the equation that represents the consumers demand
for number of visits (V).
b) Say that V increases to $16. Calculate the new equilibrium.
Compute Sophie's substitution and income effect and represent it
within a diagram.

A 22.0 μF capacitor is charged by a 160.0-V power
supply, then disconnected from the power and connected in series
with a 0.240-mH inductor.
Calculate the energy stored in the inductor at t = 1.45
ms .

The potential difference across a charged capacitor is 22 V. The
capacitor discharges through a fixed resistor. After a time equal
to the time constant, the potential difference has reduced to
V. The magnitude of V is:

ADVERTISEMENT

ADVERTISEMENT

Latest Questions

- A. How do media play a role in perpetuating racial stereotypes? B. How does popular culture...
- Consider the following marginal benefit (demand) curves of two individuals for a certain good: MBA(q) =...
- In Python syntax, create a list of 10 numbers (any numbers). Create your list 3 times,...
- 1. A galvanic cell is based on the following half-reactions at 285 K: Ag+ + e-...
- the following techniques for analyzing projects: Payback Rule Discounted Payback Period Net Present Value Internal Rate...
- 1. Describe the primary issues of adolescence according to Erikson. Be sure to comment on issues...
- 6. A person holds a rifle horizontally and fires at a target. The bullet has a...

ADVERTISEMENT