Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Chapter 7, Problem 49E
To determine
Find the voltage
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7.7μF capacitor is charged by a 125V battery and then is disconnected from the battery. When this capacitor (C1) is then connected to a second (initially uncharged) capacitor, C2, the final voltage on each capacitor is 15V. What is the value of C2? [Hint: Charge is conserved.]
7:44
( Teams
PBL-1
Your Friend Saad was selected to attend the
Electronics workshop on “Electronic Circuits"
organized by the university. In the workshop, he was
exposed to many topics such as voltage divider
circuits, dependent voltage source, dependent
current
source,
independent voltage
source,
independent current source, application of Thevenin
and Norton theorem, maximum power transfer.
There were some customers’ requirements same
were discussed in the workshop. Apply the concepts
of the above-mentioned topics, each participant must
fulfill the customer requirements.
I) The input available DC voltage is 220 V and
customer wants to supply the output of 30V
and 50V. The available ready stock is source
voltage as mentioned above and resistors
values can be chosen from 1-300 KQ. Apply
the concept of voltage divider with values of
resistance is in k2, one value of the resistor is
the last digit of your NUTECH ID and other
may vary (depend on your calculations).
II) Now you have two…
Problem 1 (time constant in RC Circuits, Alexander 7.2)
120 Ω
12Ω
ww
50 V (+
80 Ω
200 mF
Figure P1
Find the time constant for the RC circuit in Figure P1.
ww
Chapter 7 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
Ch. 7.1 - Determine the current flowing through a 5 mF...Ch. 7.1 - Prob. 2PCh. 7.1 - Prob. 3PCh. 7.2 - 7.4 The current through a 200 mH inductor is shown...Ch. 7.2 - The current waveform of Fig. 7.14a has equal rise...Ch. 7.2 - Prob. 6PCh. 7.2 - Let L = 25 mH for the inductor of Fig. 7.10. (a)...Ch. 7.3 - Find Ceq for the network of Fig. 7.23. FIGURE...Ch. 7.4 - If vC(t) = 4 cos 105t V in the circuit in Fig....Ch. 7.5 - Derive an expression for vout in terms of vs for...
Ch. 7.6 - Prob. 11PCh. 7 - Making use of the passive sign convention,...Ch. 7 - Prob. 2ECh. 7 - (a) If the voltage waveform depicted in Fig. 7.42...Ch. 7 - A capacitor is constructed from two brass plates,...Ch. 7 - Prob. 5ECh. 7 - Prob. 6ECh. 7 - Design a capacitor whose capacitance can be varied...Ch. 7 - Design a capacitor whose capacitance can be varied...Ch. 7 - Prob. 9ECh. 7 - Assuming the passive sign convention, sketch the...Ch. 7 - Prob. 11ECh. 7 - Prob. 12ECh. 7 - Prob. 13ECh. 7 - Calculate the power dissipated in the 40 resistor...Ch. 7 - Prob. 15ECh. 7 - Design a 30 nH inductor using 28 AWG solid soft...Ch. 7 - Prob. 17ECh. 7 - Prob. 18ECh. 7 - Prob. 19ECh. 7 - Prob. 20ECh. 7 - Calculate vL and iL for each of the circuits...Ch. 7 - The current waveform shown in Fig. 7.14 has a rise...Ch. 7 - Determine the inductor voltage which results from...Ch. 7 - Prob. 24ECh. 7 - The voltage across a 2 H inductor is given by vL =...Ch. 7 - Calculate the energy stored in a 1 nH inductor if...Ch. 7 - Determine the amount of energy stored in a 33 mH...Ch. 7 - Making the assumption that the circuits in Fig....Ch. 7 - Calculate the voltage labeled vx in Fig. 7.52,...Ch. 7 - Prob. 30ECh. 7 - Prob. 31ECh. 7 - Determine an equivalent inductance for the network...Ch. 7 - Using as many 1 nH inductors as you like, design...Ch. 7 - Compute the equivalent capacitance Ceq as labeled...Ch. 7 - Prob. 35ECh. 7 - Prob. 36ECh. 7 - Reduce the circuit depicted in Fig. 7.59 to as few...Ch. 7 - Refer to the network shown in Fig. 7.60 and find...Ch. 7 - Prob. 39ECh. 7 - Prob. 40ECh. 7 - Prob. 41ECh. 7 - Prob. 42ECh. 7 - Prob. 43ECh. 7 - Prob. 44ECh. 7 - Prob. 45ECh. 7 - Prob. 46ECh. 7 - Prob. 47ECh. 7 - Let vs = 100e80t V with no initial energy stored...Ch. 7 - Prob. 49ECh. 7 - Prob. 50ECh. 7 - Interchange the location of R1 and Cf in the...Ch. 7 - For the integrating amplifier circuit of Fig....Ch. 7 - Prob. 53ECh. 7 - For the circuit shown in Fig. 7.73, assume no...Ch. 7 - A new piece of equipment designed to make crystals...Ch. 7 - An altitude sensor on a weather balloon provides a...Ch. 7 - One problem satellites face is exposure to...Ch. 7 - The output of a velocity sensor attached to a...Ch. 7 - A floating sensor in a certain fuel tank is...Ch. 7 - (a) If Is = 3 sin t A, draw the exact dual of the...Ch. 7 - Draw the exact dual of the simple circuit shown in...Ch. 7 - (a) Draw the exact dual of the simple circuit...Ch. 7 - (a) Draw the exact dual of the simple circuit...Ch. 7 - Prob. 64ECh. 7 - Prob. 65ECh. 7 - Prob. 66ECh. 7 - Prob. 67ECh. 7 - Prob. 68ECh. 7 - Prob. 69ECh. 7 - Prob. 70ECh. 7 - For the circuit of Fig. 7.28, (a) sketch vout over...Ch. 7 - (a) Sketch the output function vout of the...Ch. 7 - For the circuit of Fig. 7.72, (a) sketch vout over...
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- Give reason : a) The total resistance in a circuit with parallel resistors increases , if one of the parallel resistors opens . b) If the inductor is charged it acts as an open circuit. c) If the capacitor is fully discharged it acts as a short circuit .arrow_forwardConsider the circuit in Fig. 7.103. Given that v(0) = 10 V, find v, and vz for t > 0. %3D 3Ω ww 10 H3 20arrow_forwardThe switch in the circuit shown in Figure 7 has been closed for a long time before opening at t-0. Select the correct expression for the inductor current valid for t≥ 0. 12 V 16Ω t=0 892 300 mH Figure 7 1622arrow_forward
- In the circuit below, at t = 0, switch S, is closed and switch S, is closed 4 seconds later. Calculate the current through the inductor at t = 5 second. 40 60 S1 S2 5H 20 40 V 10 V llarrow_forwardThe Source-Free Example 3. The switch in the circuit of Figure 7 has been closed for a long time, and it is opened at t = 0. Find v(t) for t>=0. Calculate the initial energy stored in the capacitor. 20 V 3 Ω www t=0 Ans. 15e-5tV, 2,25J 9Ω Figure 7. 1 S www +1 20 mF RC Circuitarrow_forwardUsing Fig. 7.92, design a problem to help other students better understand source-free RL circuits. Figure 7.92 t = 0 R1 i(f) R2 ellarrow_forward
- Which of the following statement is false O A capacitor cannot store energy if the current through the capacitor is zero. The current flows through an inductor cannot be changed in zero time. O The voltage across a capacitor cannot be changed in zero time. An inductor is a short circuit to DC.arrow_forwardThe switch in Figure 7 has been at position a for a long At t = 0, the switch moves to position b. For t > 0, with the aid of appropriate circuit diagram, determine the expression for voltage of capacitor, vC(t) current flows through the capacitor, iC(t).arrow_forwardA coil having a resistance of 8 Q and inductance of 2 H is switched across a 48 V DC supply. The time constant of the circuit and the final value of the current in the circuit are:arrow_forward
- The circuit below shows the typical arrangement of a camera flash. The time taken for the capacitor to become fully charged The initial rate of discharge of voltage across the 7Ω resistor.arrow_forward7.53 Determine the inductor current i(t) for both t 0 for each of the circuits in Fig. 7.119. 25 V 6 A 352 ww t=0 (a) t=0 4Ω 252 252 4 H 3 H of switch open for t=0- * Switch closed fer t = 0²arrow_forward7.5 From the circuit in the figure, if the switch is touched at position a for a long time and then moved to touch position b at the time t = 0 Find i(t) when t > 0.arrow_forward
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