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Q.1 Explain (i) Hysteresis loss (ii) Eddy Current Loss
Q.2 Two coils A and B are mutually coupled so that 55% of the flux of Coil A links Coil B. It is found that current of 2A produces a flux of 0.04 mWb in coil A while the same current in B creates in it flux of 0.05 mWb. If Number of turns are 1000 and 1300 respectively Find LA and LB of coil A & B respectively(b) Mutual inductance (C) coefficient of coupling.
Q.3 Give comparision of electric circuit and magnetic circuit.
Q.4 eee A 10 ohm resistor is connected to 200 Volt sinusoidal 50 Hz supply. Find the peak, rms and average values of the current and also find power dissipated in resistor.
Calculate the angular displacement between the rotor stacks. Determine the frequency of phase currents required to achieve a rotor speed of900r/min.
A Gaussian beam has a waist of 1.0 mm located 20.0 cm away from a thin converging lens of focal length 10.0 cm. If the wavelength of the source is 633 nm, what is the size and location of the output waist.
A voltage source v(t)=t*sin(t) is connected to a capacitor with C= 2 farad. Find the energy stored in the capacitor from t=0 to t=1 second.
A 100 V power supply has a series limmitin restor of 100 k ohms connected to its output. draw the norton equivalent cirtuit for the power supply. explain why the norton equivalent circuit you drew approximates an ideal current source
Suppose the FCC allocates 300 kHz channels for a high quality video conference service. A service provider decides that this service requires 720 kbps (not including overhead and error control) for each channel.
quisiera sabes cual es la amplitud del voltaje de ripple pico a pico en la salida cuando tengo una fuente de
a sinusoidal voltage has a peak value of 15V, a frequency of 500Hz, and crosses zero with a positive slope at t=0.1 ms. write an expression for the voltage using a cosine function in terms of t and constant pi.
(a) Impulse Response of a DT LTI system is given by h[n]=(.2^n)u[n] Determine the step response of y[n] of the system for all n. (b) Given h[n]=(a^n)u[n] and x[n]=(.2^n-5)u[n-5] Evaluate y[n]=h[n]*x[n] for
A student acquires a 50mV, 1mA (meter-A) and a 50mV , 2mA (Meter-b) d'arsonval movements and converts both the meters to measure 100v full scale individually. A potential divider consisting of 70k and30k resistors was powered using an ideal 100v D..
A small magnetic needle, which is free to turn slowly in a horizontal plane, is placed at the center of the coil in question (6). Show that it will set at an angle \(\phi\) to B where \(cot(\phi) = 4R/(\pi n^2 \mu_{o}\omega a)\)
The frequency is t = 300MHz. The medium is vacuum. Find the wave vector k and write the expression for the vector field phasor E at the point [0,sqrt (2)] bearing in mind that the field phasor at the origin is E(0,0,0) V/m.
C++ Program Help, make a program that will read a file from a disk and will take the first letter of each word and and make that into a sentence.
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