Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Chapter 13, Problem 39E
(a)
To determine
Calculate the values of
(b)
To determine
Calculate the values of
(c)
To determine
Calculate the values of
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39. Select values for a and h in the circuit of Fig. 13.65 so that the ideal source
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100 V rms
b = 0.8944, a = 5
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An ideal transformer has two secondary coils with number of turns 100 and 150respectively. Theprimary coil has 125 turns and supplied from 400 V, 50 Hz,single phase source. If the two secondarycoils are connected in series, the possible voltages across the series combination will be:(A) 833.5 V or 166.5 V (B) 833.5 V or 320 V (C) 320 V or 800 V (D) 800 V or 166.5 V
For the following question, you must draw a transformer circuit. A 480/2400-Vrms step-up ideal transformer delivers 50kW to a resistive load. Calculate:
a) the turns ratiob) primary currentc) secondary currentd) apparent power in the primary and in secondary
Chapter 13 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
Ch. 13.1 - Assuming M = 10 H, coil L2 is open-circuited, and...Ch. 13.1 - For the circuit of Fig. 13.9, write appropriate...Ch. 13.1 - For the circuit of Fig. 13.11, write an...Ch. 13.2 - Let is = 2 cos 10t A in the circuit of Fig. 13.14,...Ch. 13.3 - Element values for a certain linear transformer...Ch. 13.3 - (a) If the two networks shown in Fig. 13.20 are...Ch. 13.3 - If the networks in Fig. 13.23 are equivalent,...Ch. 13.4 - Prob. 8PCh. 13.4 - Let N1 = 1000 turns and N2 = 5000 turns in the...Ch. 13 - Prob. 1E
Ch. 13 - With respect to Fig. 13.36, assume L1 = 500 mH, L2...Ch. 13 - The circuit in Fig. 13.36 has a sinusoidal input...Ch. 13 - Prob. 4ECh. 13 - Prob. 5ECh. 13 - The circuit in Fig. 13.38 has a sinusoidal input...Ch. 13 - The physical construction of three pairs of...Ch. 13 - Prob. 8ECh. 13 - Prob. 9ECh. 13 - Calculate v1 and v2 if i1 = 5 sin 40t mA and i2 =...Ch. 13 - Prob. 11ECh. 13 - For the circuit of Fig. 13.41, calculate I1, I2,...Ch. 13 - Prob. 13ECh. 13 - Prob. 14ECh. 13 - In the circuit of Fig. 13.43, M is reduced by an...Ch. 13 - Prob. 16ECh. 13 - Prob. 17ECh. 13 - Prob. 18ECh. 13 - Prob. 19ECh. 13 - Note that there is no mutual coupling between the...Ch. 13 - Prob. 21ECh. 13 - (a) Find Zin(j) for the network of Fig 13.50. (b)...Ch. 13 - For the coupled coils of Fig. 13.51, L1 = L2 = 10...Ch. 13 - Prob. 24ECh. 13 - Prob. 25ECh. 13 - Prob. 26ECh. 13 - Consider the circuit represented in Fig. 13.53....Ch. 13 - Compute v1, v2, and the average power delivered to...Ch. 13 - Assume the following values for the circuit...Ch. 13 - Prob. 30ECh. 13 - Prob. 31ECh. 13 - Prob. 32ECh. 13 - Prob. 33ECh. 13 - Prob. 34ECh. 13 - Prob. 35ECh. 13 - Prob. 36ECh. 13 - Prob. 37ECh. 13 - FIGURE 13.60 For the circuit of Fig. 13.60, redraw...Ch. 13 - Prob. 39ECh. 13 - Prob. 40ECh. 13 - Calculate the average power delivered to the 400 m...Ch. 13 - Prob. 42ECh. 13 - Calculate the average power delivered to each...Ch. 13 - Prob. 44ECh. 13 - Prob. 45ECh. 13 - Prob. 46ECh. 13 - Prob. 47ECh. 13 - Prob. 48ECh. 13 - A transformer whose nameplate reads 2300/230 V, 25...Ch. 13 - Prob. 52ECh. 13 - As the lead singer in the local rock band, you...Ch. 13 - Obtain an expression for V2/Vs in the circuit of...Ch. 13 - Prob. 55E
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- In the ideal transformer circuit of Fig. 13.38, find and the complexpower supplied by the source.arrow_forwardThe networks in Fig. 13.65 are equivalent. Calculate the values of L1, L2, and M.arrow_forwardFind the Norton equivalent for the circuit in Fig. 13.84 at terminals a-b. Figure 13.84 j5 2 j10 2 a 10 2 j10 2 2 A bo ellarrow_forward
- A 2,400/480-V rms step-down ideal transformer delivers 50 kW to a resistive load. Calculate:(a) the turns ratio(b) the primary current(c) the secondary currentarrow_forward18. For the circuit of Fig. 13.47, find the currents i(t), i2(1), and i3(t) if f = 60 Hz. %3D 50 4 H ell 3 H 2 sin 31 V ( 10 H 12 0 I3 elearrow_forwardAn ideal transformer is rated 12 kVA, 3600/120V, 60 Hz. Find the transformation ratio if the 120V is the secondary voltage. a = Find the current rating of the secondary if the 120V is the secondary voltage. units Is rating Find the current rating of the primary if the 120V is the secondary voltage. Ip rating unitsarrow_forward
- 2- When the frequency of the voltage across of a (50HZ) power transformer increased by 10% of the rated value, the no-load current: a) Increased. b) Decreased. c) Remains the same. 3- The self-inductance of an iron-cored coil is a function of: a) The geometry of the coil only. b) The current passing through it only. c) The frequency of the applied voltage only. d) All of the above factors. 4- The most effective factor on the value of the percentage impedance drop of a transformer is: a) The geometry of the coilarrow_forward2- When the frequency of the voltage across of a (50HZ) power transformer increased by 10% of the rated value, the no-load current: a) Increased. b) Decreased. c) Remains the same. 3- The self-inductance of an iron-cored coil is a function of: a) The geometry of the coil only. b) The current passing through it only. c) The frequency of the applied voltage only. d) All of the above factors.arrow_forwardIn the DC/DC converter below, all the elements are ideal and the output capacity is large enough. The coil current is also continuous. L = 400 yH, fsw = 4 kHz, Vs = 850 V and Vo = It is 1000 V. Since the power transferred to the load resistor is 500 kW, calculate the ripple value of the coil current. ip icarrow_forward
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