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A separately excited DC motor runs at1500 rpm under no load with 200 V applied to the armature.The field voltage is maintain at its rated value. The speed of the motor, when it delivers a torque of 5 Nm ,is 1400 rpm. Rotational loss,armature reaction neglected. Find armature resistance?For the motor to deliver a torque of 2.5 Nm at1400 rpm.What is armature voltage?
The axis of the cylinder is along the z axis, and the electrons are moving with a velocity vector v in the positive z direction. The velocity of the electrons is 0.1c where c is the speed of light (2.99792458 ´ 108 [m/s]). The magnitude of the cur..
Does the degree of difficulty change when switch from solving a two loop mesh circuit to a three loop mesh circuit Why and why not
A circular disk having a radius of 4 ft and weighing 40lb has a small weight of 20lb attached to it at a distance of 2ft from its center. If the disk is in the vertical plane and set in rotation about an axis through
how does your answer change if the bubble is elongated in the direction of the electric field and sphere and the dielectric shell are placed in an initially uniform electric field E 0 in the z direction.
A 150-MVA 15/200-kV single-phase power transformer has a 0.018ohm resistance and a 0.075ohm reactance. The magnetizing impedance is j80 per unit. a.) Find the equivalent circuit referred to the low-voltage side of this transformer.
Design a sequential circuit which adds two to a binary number in the range 0000 - 1001. The input and output should be serial with the least significant bit first. Find a state table with a minimum number of states.
What kind of wireless networking alternative makes the most sense when considering network links that span an appreciable portion of the globe?
If you had the 6V supply set toits full voltage and set so that the maximum supply current is 5A,use Ohm's law to fill in the following two blanks: a. If a 1kOhm resistor wereconnected across the 6V supply's terminals
(1) What might be an example of an input and an output What are some simple examples of what constitutes the distinction between input into a program and output from the program (2) What type of arithmetic operations are supported in C++
a. Determine the frequency and the period of x(t) b. Given another signal, y(t)= sin(3/4(t+1)+3/8), is y(t) identical to x(t) Why c. Given a discrete time signal x[n] = cos(3/4(n+1/2)+1/4) is it periodic Why
a) Using 10 nF capacitors and ideal op amps, PROBLEM design a high-pass unity-gain Butterworth filter with a cutoff frequency of 2 kHz and a gain of no more than -48 dB at 500 Hz. b) Draw a circuit diagram of the filter and label all component valu..
Identify and describe three different ways to manufacture resistors. These variations can be "form factor" or the technique used to establish the resistance. Provide an example of a resistor de-rating curve from a manufacturer
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