Introductory Circuit Analysis
13th Edition
ISBN: 9780133923919
Author: Boylestad, Robert L.
Publisher: Pearson Education
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Textbook Question
Chapter 11, Problem 24P
For Fig. 11.91:
a. Determine the mathematical expressions for iL and vL following the closing of the switch.
b. Determine iL and vL at
Fig. 11.91
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4.) A two-pole three-phase 50-Hz Y-connected AC generator has 9 slots per pole and 6 conductors per slot. What is the flux per pole if the voltage on open circuit is 1.1 kV. Assume a coil span of unity
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Chapter 11 Solutions
Introductory Circuit Analysis
Ch. 11 - For the electromagnet in Fig. 11.75: a. Find the...Ch. 11 - For the inductor in Fig. 11.76, find the...Ch. 11 - a. Repeat Problem 2 with a ferromagnetic core with...Ch. 11 - For the inductor in Fig. 11.77, find the...Ch. 11 - An air-core inductor has a total inductance of 4.7...Ch. 11 - What are the inductance and the range of expected...Ch. 11 - If the flux linking a coil of 50 turns changes at...Ch. 11 - Determine the rate of change of flux linking a...Ch. 11 - How many turns does a coil have if 42 mV are...Ch. 11 - Find the voltage induced across a coil of 22 mH if...
Ch. 11 - For the circuit of Fig. 11.78 composed of standard...Ch. 11 - For the circuit in Fig. 11.79 composed of standard...Ch. 11 - For the network of Fig. 11.80. a. Write the...Ch. 11 - Give a supply of 18 V, use standard values to...Ch. 11 - For the circuit in Fig. 11.82: a. Write the...Ch. 11 - In this problem, the effect of reversing the...Ch. 11 - For the network of Fig. 11.84: a. Find the...Ch. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - For the network in Fig. 11.88: a. Determine the...Ch. 11 - For the network in Fig. 11.89: a. Write the...Ch. 11 - Prob. 23PCh. 11 - For Fig. 11.91: a. Determine the mathematical...Ch. 11 - For Fig. 11.92: a. Determine the mathematical...Ch. 11 - For the network in Fig. 11.93, the switch is...Ch. 11 - The switch in Fig. 11.94 has been open for a long...Ch. 11 - Prob. 28PCh. 11 - The switch for the network in Fig. 11.96 has been...Ch. 11 - The switch in Fig. 11.97 has been closed for a...Ch. 11 - Given iL=100mA(1e-t/20ms) a. Determine iLatt=1ms....Ch. 11 - a. If the measured current for an inductor during...Ch. 11 - The network in Fig. 11.98 employs a DMM with an...Ch. 11 - Find the waveform for the voltage induced across a...Ch. 11 - Find the waveform for the voltage induced across a...Ch. 11 - Prob. 36PCh. 11 - Find the total inductance of the circuit of Fig....Ch. 11 - Find the total inductance for the network of Fig....Ch. 11 - Reduce the network in Fig. 11.104 to the fewest...Ch. 11 - Reduce the network in Fig. 11.105 to the fewest...Ch. 11 - Reduce the network of Fig. 11.106 to the fewest...Ch. 11 - For the network in Fig. 11.107: a. Write the...Ch. 11 - For the network in Fig. 11.108: a. Write the...Ch. 11 - For the network in Fig. 11.109. a. Find the...Ch. 11 - Find the steady-state currents I1 and I2 for the...Ch. 11 - Find the steady-state currents and voltages for...Ch. 11 - Find the steady-state currents and voltages for...Ch. 11 - Find the indicated steady-state currents and...Ch. 11 - Prob. 49PCh. 11 - Using PSpice or Multisim, verify the results of...Ch. 11 - Using the PSpice or Multisim, find the solution to...Ch. 11 - Using PSpice or Multisim, find the solution to...Ch. 11 - Using PSpice or Multisim, verify the results of...
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- 21 In a DC generator, if the core loss constant and the copper loss is increasing, then the efficiency will be maximum. Select one: True Falsearrow_forwardA 250 kVA, 11 000 V/400 V, 50 Hz single-phase transformer has 80 turns on the secondary. Calculate:(a) the approximate values of the primary and secondary currents;(b) the approximate number of primary turns; (c) the maximum value of the flux. (d) the frequency of secondary.arrow_forwardFind the no load line voltage of a star connected 4-pole alternator form the following: Flux per pole = 0.12 Wb, Slots per pole per phase = 4, Conductors/slot = 6, Two layer winding with coil span = 150°arrow_forward
- Election communication A 2200/220 V, 50 Hz single-phase transformer has emf per turn of approximately 12 V. Calculate (a) the number of primary and secondary turns (b) the cross-sectional area of the core if the maximum flux density is limited to 1.5 T.arrow_forwardAn alternating current, i = 1.414 Sin (2 π x 50 x t) A, is passed through a series circuit consisting of aresistance of 100-ohm and an inductance of 0.31831 henry. Find the expressions for the instantaneous values of the voltages across (a.) the resistance(b.) the inductance and(c.) the combination.arrow_forwardFoucault loss is determined as 1W when 60 Hz sinusoidal voltage is applied to a transformer. If only the frequency is increased to 120Hz, provided that the flux density remains the same, how many Watts will the new value of this loss be? a) 3 b) square root 2 c) 1 d) 4 e)120/60arrow_forward
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