A 240 V DC shunt motor draws 40 A while driving a constant torque load. The armature resistance is Ra = 0.2 Ω, the field resistance is Rf = 240 Ω and machine constant is Ka = 120. The part of magnetization characteristic (field flux versus field current) related to the question is:

If (A) :      0.70 0.80 0.86 0.90 1.00 1.10 1.20 1.30 1.40

ϕ (mWb) : 5.80 6.30 6.59 6.70 7.20 7.60 7.96 8.20 8.45

The constant rotational loss is 240 W and the armature reaction is neglected. Find

a. the internal torque developed by the motor

b. speed    

c. efficiency    

A bandpass series filter has parameter values of R=150Ω , C=2μF and
L=3mH . The filter is energized with a voltage source which has an
internal resistance equal to 100Ω.
Using Matlab, write a code to print Bode magnitude plots for the filter transfer function by
itself and the transfer function of the filter modified by the source resistance?

Express the following two base 10 numbers in binary using the IEEE 754 single-precision floating point format (i.e., 32 bits). Express your final answer in hexadecimal (e.g., 32’h????????).

a) 68.3125

b) -19.675

Q1.

What is Laplace transform and why do we use it in circuit

analysis.

Design an application or problem using the derivative of a wavelength or form?

Why is Calculus important to Engineering?

What is the use of open drain on a GPIO output pin?

Rexlex klystron (step-by-step)

a-) Explain the process of grouping electrons in a reflector klystron.

b-) Explain the mechanism of electronic frequency tuning in reflective klystron.

c-) What does the mean balance of phase in reflex klystron?

d-) Why the maximal efficiency of reflex klystron corresponds to X=2.4? How we can prove it?

draw, for values of x between -2 and +2, f(x) = x², f(x) = 2x² and f(x) = 3x²

However, in June 2020, several customers have voiced out their dissatisfaction about their recent electricity bill spikes on social media. In this assignment, you are required to conduct your own research by identifying what are the causes/issues of the dissatisfaction.

Determine the magnitude of polarization (in C/m2) in a material if it is stressed 4.72 GPa perpendicular to the poling axis. (Answer format X.XXX)

d3,1 = 187 x 10-12 m/V

d3,3 = 219 x 10-12 m/V

(2) Let Vabc = [ - 5 , 5 + 5 j , - 5 j ] T and calculate Vb012. Draw a phasor diagram illustrating the relationship Vb = Vb0 + Vb1 + Vb2 .