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Find the characteristics equation and the corresponding roots for the following ODEs and identify its case?
a) y" + 6Y' + 9y=0
b) 10y" + 18y' +5.6y=0
c) 10y" + 50y' + 65y =0
Slove the intial value problem
a) problem 2a) with y(0)=2 and y'(0)=-5
b) problem 2b) with y(0)=1 and y'(0)=1.6
c) problem 2c) with y(0)=3 and y'(0)=-7
Current and average power delivered to the load, A load has a 20 ohm resistor and a 4 henry inductor connected in series. It is connected to a power source with v(t)= 100cos50t
A junction employs Nd = 8x 10^17cm^-3 and Na= 2 x 10^ 17 cm^-3. The device is at 300K. (a) determine the majority and minority carrier concentrations on both sides (b) Calculate the built-in potential at (i)T=250K (ii)300K
a) Design the doubler circuit shown in Figure 2, for which:D = d8 d4 d2 d1 and B = b8 b4 b2 b1 are each an 8421 BCD code digit. The circuit must implement the equation: 10C* + B = 2D + C
Simplify the following circuit. Line A goes into an INVERTER, then into a NAND Gate, then into an OR Gate, then travels into another NOR Gate.
find the voltage E and the current Ir and IL in phasor form
How to determine the suitable size of cable for Electrical Wiring Installation and please with Solved Examples.
Consider a direct sequence spread spectrum (DSSS) system attempting to transfer data. The DSSS system has a data rate of 2 Kbps (2 thousand bits/sec) which is spread to 2 Mcps
A long narrow rod has an atomic density of 5*1028 m-3. Each atom has the polarizability of 10-40 F m2. Find the internal electric field when an axial field of 1 V/m is applied.
Assume you have a receiver with an overall noise figure of 23 dB and a bandwidth of 1 MHz. Assuming the minimum acceptable SNR at the output of the receiver is 6 dB, estimate the minimum detectable signal level in dBm at the receiver input.
What is bit rate of the transmission on the twisted pair? If the digital outputs of three identical video cameras are combined onto a single cable using time division multiplexing, what is the bit rate on the cable?
What is the maximum symbol rate that the twisted pair line can carry without ISI? 256-QAM modulation is used on the link. How many bits are conveyed by each symbol?
An ADSL signal uses 250 channels, each of 4 kHz bandwidth. Assume the maximum signaling rate to be 1 symbol/Hz. QAM is used within each channel with up to 64 point constellations. What is the bit rate/channel
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