Answer:
Attached below
Explanation:
PWM signal source has 1 KHz base frequency
Analog filter : with time constant = 0.01 s
low pass transfer function = 
PWM duty cycle is a constant block
Attached below is the design and simulation into Simulink at 25% , 50% and 100% respectively
Answer:
I select false because engineers are not the only thing we have, we have scientists doctors mathematicians and much more to give safety standards
Answer:
6.004 Ω
Explanation:
For a Y- connected system given that :
Line voltage, 
Line current , 
and specified that 
are in phase.
Hence the impedance will be pure resistive.
For Y-system
= phase voltage
= 120.08 V
Line current = Phase current
Now, 
= 6.004 Ω
Answer:
P.E.T
Explanation:
Stud is a short form of stud wall which are typically vertical framing members in a wall of a building. Wall studs are available in standard lengths but since the height of ceiling vary, sometimes one has to cut the stud walls on site to fit. Therefore, there are pre-cut studs which are more efficient in implementation. These are usually referred as Precision-End Trimmed studs, (P.E.T). Therefore, stud walls which are cut to exact length at the mill for modern construction are designated by letters P.E.T
