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At t = t0, the current through a certain inductance is zero. A voltage pulse is applied to the inductance between t0 and t0 + ?t, and the current through the inductance increases to If . What can you say about the peak amplitude Vm and area under the pulse waveform (i.e., voltage versus time)? What are the units of the area under the pulse? What must happen to the peak amplitude and area under the pulse as ?t approaches zero, assuming that If remains the same?
A railway train is fitted with three engine/transmission units that can be assumed to exhibit a constant hazard with a mean life of 200 h. In a 15 h working day, calculate the probability of a train having: (a) no failed engine/transmission units
In AM, spectal overlap is said to occur if the lower sideband forpositive frequencies overlaps with its image for negativefrequencies. what condition must the modulated wave satisfy if we are to avoid spectral overlap
with a DC motor position control system with a (type 1) analog plant that has the transfer function: G(s)=1/s(s+1)(s+10) design a digital controller with a settling time of around a second and an overshoot of less than 5%. Use frequency response me..
a boost converter operates at 20 khz, and converts power from a solar panel to a battery bus. the panel has norminal volate of 16v and current up to 3 A. the battery bus is 48 v. the transistor can be modelled as a 0.5 v constant forward drop.
determine power and limiting error of the power?
The following data were obtained or a 30-kva, 60 hz, 2400-240V transformer tested at 60hz. Voltage (V), Current(A), Power(W) O.C. Test 240V, 3.0 A, 230 W S.C. Tes..
Calculate the total harmonic distortion (THD) of the waveform for D=0.35 and compare your result to the THD of a square wave.
A mini-mart has just installed a bar codereader to improve efficiency at their checkouts. Assume that the bar code is to access a filethat store the product descriptions, unit price and quantity of each product sold in the shop.
The maximum deviation in broadcast FM is 75 kHz. Suppose that a commercial FM system has modulating frequencies 40 Hz to 20 kHz. What is the permissible range for the modulation index?
A p-type wafer has a diffused Phosphorous n-type junction with a junction depth of 0.15µm. a) If the wafer (no pre-existing oxide) is to be oxidized at 1000-oC for two hours to form a ‘dense, non-porous, high-quality' gate oxide.
An Si device is doped at 5*10 to the power of 16 cm-3. Assume that the device can operate up to a temperature where the intrinsic carrier density is less than 10% of the total carrier density. What is upper limit for the device operation
In an electroplating process, copper (ionic charge +2e, atomic weight 63.6 g/mol) is deposited using a current of 10.0 A. What mass of copper is deposited in 10.0 minutes. Avogadro's number is 6.022 × 1023 molecules/mol and e = 1.60 × 10-19 C.
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