2. For the network in Fig. , composed of standard values:a. Find the mathematical expressions for the voltage ye andthe current ic when the switch is thrown into position 1.b. Find the mathematical expressions for the voltage yeand the current ic if the switch is thrown into position2 at a time equal to five time constants of the chargingcircuit.c. Plot the waveforms of yc and ic for a period of time extending from 0 to30 ms.E E 80 V c:10 pF Uc R2390 kNR1100 k2

Answered: Image /qna-images/answer/17fe8695-7832-4477-9afe-1230cfad526a.jpg

Answered: ical expressions for the voltage yc

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Identify the statement from the following when the inductance can have high value. a. All the given options O b. If the number of turns of the wire is more O c. If the length of the wire is longer O d. If the cross-sectional area is less
QT) For the network in a. Find the mathematical expression for the voltage across the capacitor after the switch is thrown into position 1. b. Repeat part (a) for the current ic. c. Find the mathematical expressions for the voltage ve and current ic if the switch is thrown into position 2 at a time equal to five time constants of the charging circuit. d. Plot the waveforms of V and i for a period of time extending from t = 0 to t = 30 us. %3D 1 E 80 V C7 10 pF R2 390 k2 R1 100 k2
Problem 3 For the network shown below, composed of standard values: a) Find the mathematical expressions for the voltage vc and the current ic when the switch is thrown into position 1 at = 0. b) Find the mathematical expressions for the voltage vc and the current ic when the switch is thrown into position 2 at a time equal to five-time constants of the charging circuit. c) Plot the waveforms of vc and ic for a period of time extending from 0 to 3 s. Q+15 V - 10 V + 10 k2 3.3 k2 ic 15 k2 18 k2 22 k2 22 µF 두
a) Examine the charging and discharging phases of the circuits and then answer the following: What is the time constant () of both circuits in each case? Describe the voltage across and the current through the capacitor combination in both charging and discharging phases.
lell L1 R Ro 2. In this figure, assume arbitrary numbers for R1, R2, L1, and L2 including some number for the battery E. Find the rate of current in which inductor one (L1) is changing just after the switch is closed. Next, find the current in L1 after some time after the switch has been closed. lell
1. Differentiate DC and AC voltage sources in terms of a) value of voltage, b) direction of current produced, and c) waveform or graph of value versus time. Based on the graph in no.1a), express the capacitor voltage after one time constant, in terms of the charging voltage. Based on the graph in no.1b), express the capacitor voltage after one time constant, in terms of the initial voltage
For the following circuit, do the following:a) Write the mathematical expressions for the voltage VC, VR1 and IC if the switch is on theposition 1.b) Find the voltage VC, VR1 and IC if the switch changes to a position 2 at t = 100ms.c) Determine the discharge time of the capacitor.d) Draw the charge and discharge waveforms.
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A resistor R in series with a germanium diode and an LED lamp is connected across a 12V dc supply. Find the value of the resistor if the current flowing is 7.5x10^2 mA.
8. Liquids with solid impurities a) Have higher dielectrie strength b) Of large size have higher dielectric strength c) Have lower dielectric strength as compared to pure liquids d) None of the above 9. Peak to peak ripple is defined as a) the difference between average de voltage and peak value b) the difference between maximum and minimum de voltage c) the difference between maximum ac and average dc voltages d) the difference between ac (rms) and average de voltages 10. In a Cockroft-Walton circuit, input voltage 100 kV load current 25 mA, supply frequency 100 Hz, each capacitor 10 nF. The optimum no. of stages for maximum output voltage is a) 1 b) 2 c) 10 d) 35
A sample of wire (1 mm in diameter by 1 m in diameter) length) of an aluminum alloy (containing 1.2% Mn) is placed in an electrical circuit, as shown in the figure next to. A voltage drop of 432 mV is measured at wire length when it carries a 10 A current. Calculate the conductivity of this alloy.
Question 4 Ira pure ("intrìnsic") semiconductor material is heated, the thermal energy liberates some valence-band electrons into the conduction band. The vacancies left behind in the valence band are called holes: Conduction band Valence band Increasing electron energy otoso0l alavelnortbele tnpDy If an electrical voltage is applied across the heated semiconducting substance, with positive on the left and negative on the right, what will this do to the energy bands, and how will this affect both the electrons and the holes? |

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