FUNDAMENTALS OF ELECTRONIC CIRCUITS LL
6th Edition
ISBN: 9781260842067
Author: Alexander
Publisher: MCG CUSTOM
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Chapter 13, Problem 3RQ
To determine
Choose the correct option to find the coefficient of coupling for two coils having
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Two coupled coils, L1=0.8 H and L2 = 0.2 H, have a coefficient of coupling k =0.9. Find the mutual inductance M and the turns ratio N1/N2.
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Chapter 13 Solutions
FUNDAMENTALS OF ELECTRONIC CIRCUITS LL
Ch. 13.2 - Determine the voltage Vo in the circuit of Fig....Ch. 13.2 - Determine the phasor currents I1 and I2 in the...Ch. 13.3 - Prob. 3PPCh. 13.4 - Find the input impedance of the circuit in Fig....Ch. 13.4 - For the linear transformer in Fig. 13.26(a), find...Ch. 13.4 - Solve the problem in Example 13.1 (see Fig. 13.9)...Ch. 13.5 - The primary current to an ideal transformer rated...Ch. 13.5 - In the ideal transformer circuit of Fig. 13.38,...Ch. 13.5 - Find Vo in the circuit of Fig. 13.40. Figure 13.40...Ch. 13.6 - Refer to Fig. 13.43. If the two-winding...
Ch. 13.6 - In the autotransformer circuit of Fig. 13.45, find...Ch. 13.7 - Prob. 12PPCh. 13.8 - Prob. 13PPCh. 13.9 - Refer to Fig. 13.61. Calculate the turns ratio...Ch. 13.9 - Calculate the turns ratio of an ideal transformer...Ch. 13.9 - In Example 13.17, if the eight 100-W bulbs are...Ch. 13 - Refer to the two magnetically coupled coils of...Ch. 13 - Prob. 2RQCh. 13 - Prob. 3RQCh. 13 - Prob. 4RQCh. 13 - The ideal transformer in Fig. 13.70(a) has N2/N1 =...Ch. 13 - Prob. 6RQCh. 13 - A three-winding transformer is connected as...Ch. 13 - Prob. 8RQCh. 13 - Prob. 9RQCh. 13 - Prob. 10RQCh. 13 - For the three coupled coils in Fig. 13.72,...Ch. 13 - Using Fig. 13.73, design a problem to help other...Ch. 13 - Two coils connected in series-aiding fashion have...Ch. 13 - (a) For the coupled coils in Fig. 13.74(a), show...Ch. 13 - Two coils are mutually coupled, with L1 = 50 mH,...Ch. 13 - Given the circuit shown in Fig. 13.75, determine...Ch. 13 - For the circuit in Fig. 13.76, find Vo. Figure...Ch. 13 - Find v(t) for the circuit in Fig. 13.77.Ch. 13 - Prob. 9PCh. 13 - Find vo in the circuit of Fig. 13.79. Figure 13.79...Ch. 13 - Use mesh analysis to find ix in Fig. 13.80, where...Ch. 13 - Determine the equivalent Leq in the circuit of...Ch. 13 - For the circuit in Fig. 13.82, determine the...Ch. 13 - Obtain the Thevenin equivalent circuit for the...Ch. 13 - Find the Norton equivalent for the circuit in Fig....Ch. 13 - Obtain the Norton equivalent at terminals a-b of...Ch. 13 - In the circuit of Fig. 13.86, ZL is a 15-mH...Ch. 13 - Find the Thevenin equivalent to the left of the...Ch. 13 - Determine an equivalent T-section that can be used...Ch. 13 - Determine currents I1, I2, and I3 in the circuit...Ch. 13 - Prob. 21PCh. 13 - Find current Io in the circuit of Fig. 13.91.Ch. 13 - Let is = 5 cos (100t) A. Calculate the voltage...Ch. 13 - In the circuit of Fig. 13.93, (a) find the...Ch. 13 - Prob. 25PCh. 13 - Find Io in the circuit of Fig. 13.95. Switch the...Ch. 13 - Find the average power delivered to the 50-...Ch. 13 - In the circuit of Fig. 13.97, find the value of X...Ch. 13 - Prob. 29PCh. 13 - (a) Find the input impedance of the circuit in...Ch. 13 - Using Fig. 13.100, design a problem to help other...Ch. 13 - Two linear transformers are cascaded as shown in...Ch. 13 - Determine the input impedance of the air-core...Ch. 13 - Using Fig. 13.103, design a problem to help other...Ch. 13 - Find currents I1, I2, and I3 in the circuit of...Ch. 13 - As done in Fig. 13.33, obtain the relationships...Ch. 13 - A 2402,400-V rms step-up ideal transformer...Ch. 13 - Design a problem to help other students better...Ch. 13 - A 1,200240-V rms transformer has impedance on the...Ch. 13 - The primary of an ideal transformer with a turns...Ch. 13 - Given I2 = 2 A, determine the value of Is in Fig....Ch. 13 - For the circuit in Fig. 13.107, determine the...Ch. 13 - Obtain V1 and V2 in the ideal transformer circuit...Ch. 13 - In the ideal transformer circuit of Fig. 13.109,...Ch. 13 - For the circuit in Fig. 13.110, find the value of...Ch. 13 - (a) Find I1 and I2 in the circuit of Fig. 13.111...Ch. 13 - Prob. 47PCh. 13 - Using Fig. 13.113, design a problem to help other...Ch. 13 - Find current ix in the ideal transformer circuit...Ch. 13 - Prob. 50PCh. 13 - Use the concept of reflected impedance to find the...Ch. 13 - For the circuit in Fig. 13.117, determine the...Ch. 13 - Refer to the network in Fig. 13.118. (a) Find n...Ch. 13 - A transformer is used to match an amplifier with...Ch. 13 - For the circuit in Fig. 13.120, calculate the...Ch. 13 - Find the power absorbed by the 100- resistor in...Ch. 13 - For the ideal transformer circuit of Fig. 13.122...Ch. 13 - Determine the average power absorbed by each...Ch. 13 - In the circuit of Fig. 13.124, let vs = 165...Ch. 13 - Refer to the circuit in Fig. 13.125 on the...Ch. 13 - For the circuit in Fig. 13.126, find Il, I2, and...Ch. 13 - For the network in Fig. 13.127, find: (a) the...Ch. 13 - Find the mesh currents in th circuit of Fig....Ch. 13 - For the circuit in Fig. 13.129. find the turns...Ch. 13 - Calculate the average power dissipated by the 20-...Ch. 13 - Design a problem to help other students better...Ch. 13 - An autotransformer with a 40 percent tap is...Ch. 13 - In the ideal autotransformer of Fig. 13.131,...Ch. 13 - In the circuit of Fig. 13.131, N1 = 190 turns and...Ch. 13 - In the ideal transformer circuit shown in Fig....Ch. 13 - When individuals travel, their electrical...Ch. 13 - In order to meet an emergency, three single-phase...Ch. 13 - Figure 13.135 on the next page shows a three-phase...Ch. 13 - Consider the three-phase transformer shown in Fig....Ch. 13 - A balanced three-phase transformer bank with the...Ch. 13 - Using Fig. 13.138, design a problem to help other...Ch. 13 - The three-phase system of a town distributes power...Ch. 13 - Use PSpice or MultiSim to determine the mesh...Ch. 13 - Use PSpice or MultiSim to find I1, I2, and I3 in...Ch. 13 - Prob. 80PCh. 13 - Use PSpice or MultiSim to find I1, I2, and I3 in...Ch. 13 - A stereo amplifier circuit with ail output...Ch. 13 - A transformer having 2,400 turns on the primary...Ch. 13 - A radio receiver has an input resistance of 300 ....Ch. 13 - A step-down power transformer with a turns ratio...Ch. 13 - A 240120-V rms power transformer is rated at 10...Ch. 13 - A 4-kVA, 2,400240-V rms transformer has 250 turns...Ch. 13 - A 25,000240-V rms distribution transformer has a...Ch. 13 - A 4,800-V rms transmission line feeds a...Ch. 13 - A four-winding transformer (Fig. 13.146) is often...Ch. 13 - A 440/110-V ideal transformer can be connected to...Ch. 13 - Ten bulbs in parallel are supplied by a 7,200120-V...
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Similar questions
- PLEASE SHOW COMPLETE SOLUTION In a laboratory experiment, the impedance of a coil was obtained at 60 Hz and 30 Hz. These are 75.48 ohms and 57.44 ohms, respectively. What is the resistance of the coil? 50 Ohms 80 Ohm 60 Ohms 70 Ohmsarrow_forwardTwo coils 1 and 2, of 500 turns and 80 turns respectively are wound uniformly around a wooden ring having a mean circumference of 25 cm. The cross-sectional area of the ring is 3 cm2. Calculate the e.m.f. induced in coil 2 when the current of 2 A in coil A is reversed in 0.01 second.arrow_forwardThe transformer used to charge a laptop reduces 220V-AC to 19V-AC. Assume the primary coil contains 400 turns and the charger supplies 5A to the laptop. Find: (a) the number of turns in the secondary coil and the current in the primary coil, and (b) the transformed power.arrow_forward
- 1/ The Arc Resistance increases as the cross-sectional area of the arc increases. Select one: True Falsearrow_forwardTwo coils having 30 and 600 turns respectively are wound side by side on a closed iron circuit of cross-section 100 cm² and of mean length of 150 cm. A current in the first coil grows steadily from zero to 10 A in 0.01 second. Find the emf induced in the coil. Relative permeability of iron is 2,000 a. 209.4 V b. 301.5 V c. 299.3 V d. 300.9 Varrow_forwardA coil absorbs 20 W when connected to a 240 V, 400Hz. if the current is 0.2 A, find the resistance and the inductance of the coil.arrow_forward
- A coil of inductance 2 Henrys and a resistance of 10 ohms is connected with an emf, E=200sin20t volts, where t is the time in seconds. I=0 when t=0. Find I when t=0.05 second.arrow_forwardA transformer with a primary of 1500 turns is used to generate 10V ac from A supply voltage of 120 V. How many turns are there on the secondary? If the secondary is loaded with 22 ohms resistor, What is the primary current? Please solve the problem, in the subject Industrial electronics. Thank youarrow_forwardG.) Two coils having 30 and 600 turns respectively are wound side by side on a closed iron circuit of cross-section 100 cm^2 and of mean length of 150 cm. A current in the first coil grows steadily from zero to 10 A in 0.01 second. Find the emf induced in the coil. Relative permeability of iron is 2,000 a. 209.4 V b. 301.6 V c. 299.3 V d. 300.9 Varrow_forward
- kindly help me with this problem thank you so much! Instructions: Evaluate and Show neat, logical, and complete solution.show final answers in four decimal places. 1. The primary coil of a power transformer has an inductance of 30 mH with negligible resistance. Find its inductive reactance at a frequency of 60 Hz and current it will draw a 120 V line.arrow_forwardTwo magnetically coupled coils have self-inductances of 60 mH and 9.6 mH, respectively. The mutual inductance between the coils is 22.8 mH. 1. What is the coefficient of coupling? 2. For these two coils, what is the largest value that M can have? 3. Assume that the physical structure of these coupled coils is such that P1=P2. What is the turns ratio N1/N2 if N1 is the number of turns on the 60 mH coil?arrow_forwardAn ideal current transformer (CT) reads 10 A at the output. If its turns ratio is 1000, what is the actual line current measured by the CT? Round your answer to 0 decimal places.arrow_forward
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