Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 21.1, Problem 9R
To determine
Mention the length of the cable required to connect a separate branch circuit to the food waste disposer.
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2. For a random variable X with pdf: p(x)
value of x is
=
119
10
for -5≤x≤5. The mean
(a) -75
(b) 10
(c) 0
(d) 75
3. Is the matrix A = = [1] orthogonal? Find the rank of A?
0
(a) YES, -1
(b) NO, 2
(c) YES, 2
(d) NO, -1
4. L{et sin(3t)u(t)) = (a)
s-3
(s-2)²+9
2
(b)
(5-3)² (c)
(s-3)²+4
S-2
3
(s-2)²+9
(d) (5-2)²+9
=
5. Given that x is a constant. Choose all the correct solutions for [∞ (AB)] =
(a) (AB)T (b) x ATBT
(c) α BTAT
(d) x (AB)T
DO NOT WANT AI WILL REJECT
3. Roughly sketch the root locus for the following locations of open-loop poles and
zeros. You just need to show the shape of the root locus; you do not calculate the
asymptote, break-in, and break-away points.
☑
(a)
(b)
☑
Φ
①
$3
(c)
Chapter 21 Solutions
Electrical Wiring Residential
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- DO NOT NEED AI WILL REJECTarrow_forward5. Sketch the root locus for L(s) = s+10 using rules 1, 2, and 4. For rule 4, you need to s(s+6) find the break-in and break-away points.arrow_forwardS+4 4. Sketch the root locus for L(s) = (s+6) (s+1)2 using rules 1, 2, and 3. For rule 3, you need to find the value of σ and a for the asymptotes. From the root-locus, explain why the closed-loop system is always stable for any choice of the design parameter K in the range 0 < K < ∞o.arrow_forward
- 2. Consider the following system. K(s+3) (s+4) (s+1)(s+2) Check whether the points below are in the root locus. If the point is in the root locus, then also find what the corresponding gain K. i) ii) -2+j3 -2+1√ √ Hint: First find L(s). Next, in L(s) replace s with the value of the point and then express it in polar format r20 using calculator. The point will be in the root locus if and only if = 180° or odd multiple of 180°. When the point is in the root locus, the corresponding gain K is obtained as K ==arrow_forwardsolve and show workarrow_forwardDesign and find values. please solve ASAP (it's for practice before an exma, I don't have time)arrow_forward
- Can you show why the answer is that for this question using second order differential equations, instead of laplace transformsarrow_forward2. For each of the following transfer functions, G(s) = Y(s)/U(s), find the differential equation relating the input u(t) to the output y(t). (s+2)(s+3) (a) G(s) = (s+1)(s+4) (s²+0.4s+1.04) (s+3) (b) G(s)= (s2+0.2s+1)(s+2)(s+4)arrow_forwardDon't use ai to answer I will report you answerarrow_forward
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