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When The Worst Transformer Inrush Current Occurs ? , Please mention the 4 factors significantly impact inrush current .
Design a second-order banpass filter with center frequency f=10. The gain should be zero at t=0 and t= 8. Select poles at -a ±j10. Explain the influence of a on the frequency response.
the magnetic circuit shown with a mean core length of 52 cm and a cross sectional area of 18 cm^2. the length of the air gap is 0.14 cm. Determine the battery voltage required to obtain a flux density of 1.2 T in the air gap. Use the magnetization..
A ¼ watt resistor has a resistance of 3.2KW what is the maximum current that the resistor can handle. If the wattage rating is doubled, will the maximum current double.
The sinusodial modulating wave m(t) = (Am)cos(2*pi*fm*t) is applied to a phase modulator with sensitivity kp. The unmodulated carrier wave has frequency fc and amplitude Ac. Determine the spectrum of the resulting phase-modulated wave
The windings of high-current electromagnets are often made of copper pipe. The current flows in the walls of the pipe, and the cooling water flows in the interior of the pipe. Suppose the copper pipe has an outside diameter of 1.2 cm and inside di..
How big will be rated power of the motor if starting current at star-connection and phase to phase voltage of the supply 380 V is (150+17) A. the ratio of starting current for motor is 7 Ir efficiency factor is 0.85 but cos f =0.8
an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 96 MHz and deviation of f=20 KHz. A narrowband FM generator with Fc=200 KHz and adjustable deviation f in range of 9 to 10 Hz is available.
For , R1 = 1000 -ohm, R2 = 500 -ohm,R3 = 5000 -ohm, and RL = 2000 -ohm. The source is sinusoidal, vi (t) =120 cos(2-ohm60 t). Using the piece-wise linear model for the diode
What is the phase response for {h[n]}? That is, what is the phase versus ω of H(e^jω)?
Under this condition, calculate the relative magnitudes of the resultant positive- and negative-traveling mmf waves.
Design low pass active filter with a cutoff frequency t at 10kHz or more by 30db and have the pass band gain positive that does not deviate from 20db by more than 3db. The pass band frequency needed is 800Hz and below Derive transfer function
Determine the magnitude, radial frequency, frequency, period, and phase for the following waveforms: (a) i1(t)=10cos(40t+170)A (b) v2(t)=34sin(380t+40)V
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