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Voltage v(t) = 4e-20tV for t > 0 is input to the circuit. The resultant current i(t) = -1.2e-20t - 1.5 A. The initial inductor current iL(0) = -3.5A. Find the values of the inductance L and the resistance R in the circuit.
Suppose you are the supplier and can produce 20 units now but cannot start production on the second 20 units for two months. What price would you try to negotiate for the last 20 units?
A three 480V system is connected to a balanced three-phase load. The line current I_a is 10A and is in phase with the line-to-line voltage V_bc. Calculate the impedanceof the load for the following a) If the load is wye-connected
Find the current that flows in a silicon bar of 10-µm length having a 5-µm x 4-µm cross section and having free electron and hole densities of 105 / cm³ and 1015 / cm³, respectively, when a 1 V is applied end-to-end. Use µn = 1200 cm²/V·s and µp =..
Given an input signal x[n] whose sample values are given in the table below. Find and plot the first 4 samples of the output that results when this input is applied to the two filters below: (Use n=0, 1, 2,3) A: Filter 1 Equation: y[n] = x[n] - 0.5..
how does the current mode control works in a boost converter if I assume induction current is sensed and used to generate thePWM. what is the transfer function ΔVc(s) / ΔIref(s),where Iref is the reference current given to the comparator
A Transconductance amplifier is to be used to interface a voltage signal Vs(t) to a resistive load R(L)=5k ohms. The signal source is represented by a Thevenin equivalent circuit with a source resistance R(S)=20k ohms.
The magnetization graph taken at 1800 rpm of a 6 kW, 120 V, 50 A, 1800 rpm, dc generator is attached below. Field resistance is 20 ohms and armature resistance is .18 ohms. Find: As a seperately excited generator
Determine the maximum possible heat removal rate through the fin. What fin length would provide a close approximation to the heat rate found in part (a)? Hint: Refer to Example 3.9.
A three-phase 765-KV, 60-Hz,300-km,completely transposed line has the following positive-sequence impedance and admittance: z=0.0165+j0.3306 Ω/hm y=j4.674x10-6 S/km ten to the minor six
What are Power Factor improvement Methods ? and what Their advantages & Disadvantages ?
Calculate for this load (a) the slip (b) The stator copper loss (c) The total power input if the stator losses are 2000 W, (d) The efficiency (e) The line current (f) The number of complete cycles per minute of the rotor e.m.f.
Consider an angle-modulated signal xc(t) = 10 cos{(10^8)pi t + 5sin 2pi(10^3)t}. Find the maximum phase deviation. Find the maximum frequency deviation.
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