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 15 kQ 18 k2 22 k2 22 µF

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 15 kQ 18 k2 22 k2 22 µF

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

See similar textbooks

Similar questions

5. A voltage source produces a "Triangle" wave and is connected to a series diode and resistor circuit as shown. D1 KH D V1 #1 V R1 R Using the nominal piecewise linear model for a diode, determine from the following possibilities the graph that best represents the voltage across the resistor? (Delete those that do not apply) (Blue curve VR, dashed curve V1). Then determine which graph best represents the voltage across the diode.
A. Explain the difference between charging current andfaradaic current. B. What is the purpose of waiting 1s after a voltage pulse before measuring current in sampled current voltammetry? C. Why is square wave voltammetry more sensitive than sampled current voltammetry?
In the figure given we have u(t)=10- cosot [V]. We assume the diodes and the A-meter (A) to be ideal. a) Plot the waveform of the current flowing through the A-m in scale. b) What is the reading of the A-m, if it is moving-coil type? A u(t) R1 R2 c) What is the reading of the A-m, if it is moving-iron type? d) Calculate the power factor of the WHOLE structure. 5Ω 10Ω
Calculate the equivalent resistances Rin of the following circuits. (The resistance value of the diodes in the conduction will be 0, the resistance value of the diodes in the insulation will be taken as infinity. R1=10ohm
D1 Vsecondary Vfiltered D2 V1 sine Rload I 120 VAC @ 60 Hz D3 10:1 - D4 Figure 1: Bridge Rectifier Voltage Regulator Circuit The filter capacitor C, is recharged on every half-cycle of V secondary. Given: Rioad = 100 N VDiodes = 0.7 V Vi is given in RMS What is the minimum value of capacitor C, required such that Vrutered does not drop below 8 V?
In the figure given we have u(t)=10. cosot [V]. We assume the diodes and the A-meter (A) to be ideal. A u(t) a) Plot the waveform of the current flowing through the A-m in scale. b) What is the reading of the A-m, if it is moving-coil type? c) What is the reading of the A-m, if it is moving-iron type? d) Calculate the power factor of the WHOLE structure. R1 1 R2 102
In high voltage engineering( brielfy explanation each ionization and parts) What do you mean by ionization ? Explan different types of ionizations
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.
Q1)Design moving coil ammeter as a voltmeter to read 15 V (RMS) alternating voltage. If the internal resistance of the ammeter is 5 K2, the voltage across the internal resistance is 0.5 v and the resistance of the diodes in the forward direction is 1 K2, find the multiplier resistance and sensitivity. Assume half wave rectification and a shunt resistance across the meter. The value of the shunt resistance across the ammeter is 2.5 KQ. Q2) Re-design the question above for full wave rectifier (without Rsh)
Generate some new applications for Liquid Metal Batteries in other contexts and consider its long-term significance
1) It can be accepted that D1 and D2 diodes are from the same family in the circuit given in the figure. a) output voltage, wwwiwwwww wwwww wwwwwwwwwwn w www w 0.33 k2 wwwwww wwwww E 10 V D Si D, Si b) the current flowing through the resistor, ww ww c) currents flowing through the diodes గ wl ww ww calculate. www ww +
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.