Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Chapter A5.2, Problem 3P
(a)
To determine
The value of
(b)
To determine
The value of
(c)
To determine
The value of
(d)
To determine
The value of
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Q1) a). A 1.5 H coil has R of 70 2. The coil is energised by e = 149 sin 314 t. obtain the expression for the
transient component of the current flowing through the coil after the voltage is suddenly switched on.
b). Based on Figures la,lb and le and RLC elements, write a discussion on voltage-current relations and
power factor.
Im
Im 4
Im 4
0.
Re
Re
Re
Figure la.
Figure Ib.
Figure le.
Initial charge of the capacitor is zero. R1=2N and R2=20. Calculate Vot) for t=0.8s.
4i
R1
58(t) V
=1 F
R2
Remark1: Only numeric values must be entered. Do not enter the units.
(ex: If you calculate 13.8 V, write 13.8)
Remark2: Use maximum one digit after dot. Round the numbers as provided below.
(ex: If you calculate 10.83 V, write 10.8, not 11)
(ex: if you calculate 15.67 V, write 15.7, not 16)
(ex: if you calculate 18.98 V, write 19)
Remark3: Don't use comma (ex: Write 50.6, not 50,6)
Chapter A5 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
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- Q1) a). A 1.5 H coil has R of 70 S2. The coil is energised by e = 149 sin 314 t. obtain the expression for the transient component of the current flowing through the coil after the voltage is suddenly switched on. b). Based on Figures la,lb and le and RLC elements, write a discussion on voltage-current relations and power factor. Im Im 4 Im Re Re Re Figure la. Figure lb. Figure lc.arrow_forwardInitial charge of the capacitor is zero. R1=20 and R2=20. Calculate V for t=0.8s. R1 ww 58(1) V R2 Remark1: Only numeric values must be entered. Do not enter the units. (ex: If you calculate 13.8 V, write 13.8) Remark2: Use maximum one digit after dot. Round the numbers as provided below. (ex: If you calculate 10.83 V, write 10.8, not 11) (ex: if you calculate 15.67 V, write 15.7, not 16) (ex: if you calculate 18.98 V, write 19) Remark3: Don't use comma (ex: Write 50.6, not 50,6)arrow_forwardYou are investigating the electrical testing circuits and find that, in an inductive circuit, the relationship between instantaneous current i (amps) and the time t (secs) is given by: i = 2.1(1-e-9t) You have been asked to determine the time taken for the current to rise from 1 to 1.5 amps. Comment on the time taken for the current to rise the same increment from 1.5 to 2 amps and give reasons.arrow_forward
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- Figure 3k0 31.25 n 1of1 > Find the value of wit 100 sin(at+161.41") mA. 1 = 400 cos(at +30°) V. Express your answer in radians per second to three significant figures. Submit Provide Feedback Avec Request Answer ? rad/sarrow_forwardGiven a parallel RLC circuit comprised of the following element: 72.06-ohm resistor, ideal inductor with reactance of 69.81 ohms; and a capacitor with reactance of 10.98 ohms. Compute for reactive power in VArs given an ac voltage source of 100 cis 0 volts. Give only the absolute value. PLEASE ANSWER WITHIN 30 MINUTES. Round off to the nearest 4 decimal places. No Scientific notation. Do not round off in the middle of calculation. Use stored values. Write the numerical values only. No units in your final answer. Spaces are not allowed.arrow_forwardplss answer within 20mins A 200-Ω resistor is connected in series with a 7.43-uF capacitor. The voltage across the resistor is vR = (1.20 V) cos (3134.73 rad/s)t. Determine the capacitive reactance of the capacitor. Final answer should be in two (2) decimal places. For the final answer, express the unit in symbols. For example: 5.00 Kelvin should be expressed as 5.00 K DO NOT answer in exponential form.arrow_forward
- Fundamentals of Electrical Engineering 2020/2021 Dr. Yaseen H. Tahir xample: (example 15-3, page 388, David) (H. W.) A1 MF capacitance is to be constructed from rolled-up sheets of aluminum foil separated by a layer of paper 0.1l mm thick. Calculate the required area for each sheet of foil if the relative permittivity of the paper is 6.arrow_forward(a) 28.28 cos (5000t-45°) V (b) 28.28 cos (5000t+ 45°) V (c) 28.28 sin (5000t-45°) V (d) 28.28 sin (5000t + 45°) V [ESE-2002] 1.8 In the circuit shown in the given figure, 5 A 5 A 4 A 120 V R The current through the inductor Lis (a) 0 A (b) 3 A (c) 4 A (d) 8 A [ESE-2002] 1.9 Three currents i,, i, and iz are approaching aarrow_forwardIn the figure below, all impedances are in ohms, all voltages are in volts and currents in Amperes. Both sources operate at 60 Hz. X = 200 n Xc = 600 a O 80 sin (ut+/2) X = 600 02 sin ut Determine the total effective current (A) flowing through the inductance with a Choose... reactance of 200 Ohmsarrow_forward
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