ELECTRICAL WIRING:RESIDENTAL-6 PLANS
18th Edition
ISBN: 9781305098329
Author: MULLIN
Publisher: CENGAGE L
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Chapter 22.2, Problem 9R
To determine
Mention the size of the conductors that are used for the attic exhaust fan circuit.
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Calculate the current magnitude in the coils e1, e2 of theMagnetic circuit, if:ɸa = 3.00 x 10^-3 Wb, φb = 0.80 x 10^-3 Wb, ɸc = 2.20 x 10^-3 Wb
L ab = 0.10 m,A ab = 5.0 cm^2L afeb = L acdb = 0.40 mA afeb = A acdb = 20 cm^2
MATERIAL CHARACTERISTICSH (At/m) 240 350 530 1300 5000 9000B (T) 0.7 0.9 1.1 1.3 1.5 1.6
A toroid magnetic circuit is composed of three sections A, B and C, thesection C has an air gap, section A has an 850 round coil thatconsumes a current of 1.2 A. the physical and magnetic properties of each sectionare:
Section A: Length = 80 mm, Cross section = 120 mm^2, μr = 400
Section B: Length = 60 mm, Cross section = 40 mm^2, μr = 250
Section C: Length = 50 mm, Cross section = 200 mm^2, μr = 600
Gap: Length = 1 mm, Cross section = 40 mm^2, μr = 1
Calculate:The magnetic field density in each of the sections
3) Compute the input impedance of Fig. 3. (10 points)
Rin
R1
R₂
Figure 3
T
Vcc
Chapter 22 Solutions
ELECTRICAL WIRING:RESIDENTAL-6 PLANS
Ch. 22.1 - Prob. 1RCh. 22.1 - Prob. 2RCh. 22.1 - Prob. 3RCh. 22.1 - Prob. 4RCh. 22.1 - Prob. 5RCh. 22.1 - Prob. 6RCh. 22.1 - Prob. 7RCh. 22.1 - Prob. 8RCh. 22.1 - Prob. 9RCh. 22.1 - Prob. 10R
Ch. 22.1 - Prob. 11RCh. 22.1 - Prob. 12RCh. 22.2 - Prob. 1RCh. 22.2 - Prob. 2RCh. 22.2 - Prob. 3RCh. 22.2 - Prob. 4RCh. 22.2 - Prob. 5RCh. 22.2 - Prob. 6RCh. 22.2 - Prob. 7RCh. 22.2 - Prob. 8RCh. 22.2 - Prob. 9RCh. 22.2 - Prob. 10RCh. 22.2 - Prob. 11RCh. 22.2 - Prob. 12RCh. 22.3 - Prob. 1RCh. 22.3 - Which of the following statements Meets Code?...Ch. 22.3 - Prob. 3RCh. 22.3 - Prob. 4RCh. 22.3 - Prob. 5RCh. 22.3 - Prob. 6RCh. 22.3 - Prob. 7RCh. 22.3 - Prob. 8R
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