Mention the type of electrical protection necessary for all 120 V, single-phase, 15- and 20- ampere branch circuits for most habitable rooms and areas in a new home.

Question

If C is the circle |z|=4 evaluate ff(z)dz for each of the following functions using residue. Z (a)f(z) = z²-1 Z+1 1 (b)f(z) = = (c)f(z) = z²(z+2) z(z-2)³ z² 1 1 (d) f(z) = = (e) f(z) = (f) f(z) = (z²+3z+2)² z²+z+1 z(z²+6z+4)

Answer 1

Question

Chapter 14, Problem 3R

(a)

To determine

Mention the type of electrical protection necessary for all 120 V, single-phase, 15- and 20- ampere branch circuits for most habitable rooms and areas in a new home.

(b)

To determine

Name the section of the Code that covers for arc-fault circuit-interrupter protection.

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If C is the circle |z|=4 evaluate ff(z)dz for each of the following functions using residue. Z (a)f(z) = z²-1 Z+1 1 (b)f(z) = = (c)f(z) = z²(z+2) z(z-2)³ z² 1 1 (d) f(z) = = (e) f(z) = (f) f(z) = (z²+3z+2)² z²+z+1 z(z²+6z+4)

5. Answer the following questions. Take help from ChatGPT to answer these questions (if you need). Write the answers briefly using your own words with no more than two sentences, and check whether ChatGPT is giving you the appropriate answers in the context of our class. a) What is the Bode plot? What kind of input do we consider for the frequency-response- based method? b) What is the advantage of design using the frequency-response method? c) Define gain margin, phase margin, gain crossover frequency, and phase crossover frequency.

Phase (deg) 3. The Bode diagram of a system is shown below. Magnitude (dB) System: sys -10 Frequency (rad/s): 0.141 Magnitude (dB): -15.6 -20 -30 40 -50 -60 0 -45 -90 -135 101 10° Bode Diagram System: sys Frequency (radis): 10 Magnitude (dB): -18.9 System: sys Frequency (rad/s): 10 Phase (deg):-52.2 101 Frequency (rad/s) 102 103 Find the steady-state output of the system for each of the following inputs. a) u(t) = 100 b) u(t) 100 cos(10 t + 10°) = c) u(t) = 500 + 200 cos(10 t + 10°)