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A certain sample of pure quartz has a dielectric constant of 3.8, dielectric strength of 1.0 kV/0.00010 in, and a density of 2.6 Mg/m3. a.)A field of 5.0 kV/cm is applied. Determine the polarization.
A certain sample of pure quartz has a dielectric constant of 3.8, dielectric strength of 1.0 kV/0.0010 in, and a density of 2.6 Mg/m3. Assume the number density of dipoles in quartz is the same as th
An erbium-doped fiber amplifier has a noise figure of 4 and a gain of 10 dB. The optical input has a 30-dB signal-to-noise ratio and a signal power of 10 µW. Compute the output signal power in
Using 1.5v batteries, a switch, and 3 lamps, device a circuit to apply 4.5v across one lamp, two lamps in series, or three lamps in seris with a single control switch. Draw the schematic.
A rectagular waveform has a 50% duty cycle (hight for 1/2 a cycle and low for 1/2 a cycle). It goes between two voltage levels of -3 V (low) and +8 V (high), and has a period of 100 μs. determine
120V, 60 Hz source is connected to a distribution line whose resistance, and inductive reactance is 0.001Ohm, j0.002 Ohm, respectively. Single phase, 10HP, 120V, 0.85 pf. motor and 4Kw, 120V heater
A rectangular coil carrying a current of 2 A (counter-clockwise) is located on the xy-plane in the presence of B = 2ux - uy + 1.5uz . Its corners are the points (±1, ±2, 0). Find the f
Derive and graph the electric field based on V-bi( built in Potential). Derive the depletion width (w) from built in potential and equilibrium charge equation. graph Depletion width and E-feild in
a plane diving with constant speed at an angle of 53.0 degree with the vertical releases a projectile at an altitude of 730m.the projectile hits the ground 5 second after release(a)what is the speed
Fortunately, for this purpose, we can replace multiplication with switching operation. A similar observation applies to demodulators. In the scheme depicted in fig p7-40a, the period of the rectangu
write a VHDL module to implement a circuit that can generate a clock signal whose time period is a multiple of the input clock. A control signal F determines the multiplying factor. If F=0 the outpu
design a propotional controller for a system with the transfer function G(z)=K/(z-0.4) to have a damping ratio of 0.7
Assume there is no electric field in this problem. Hint: angular acceleration is u2 /r where u is the velocity of the particle and r is the radius of the circular path. the frequency of the particle
A ring conductor of radius 1 m is located on the xy-plane, centered at (0, 0, 0), and carries a current of 1 A in the counter-clockwise direction. A line conductor parallel to the y-axis and passing
Consider a finite state machine that generates z = 1 when the previous four values of input variable 'w' are either '1001' or '1101'. Solve this problem by Mealy and by Moore. Show the state diagram
Design a counter that counts pulses on line 'w' and displays the count in the sequence 0,1,3,2,0,1,3,2,0,1. Use D flip-flops in the circuit.
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 ov
design a decade counter which counts in the sequence: 0000, 0001, 0010, 0011, 0100, 0101, 0110, 0111, 1000, 1001, 0000 draw a complete state diagram for the counter of (b) showing what happens when t
Design a comparator circuit that indicates when two 4-bit binary numbers are equal. Indicate with an LED when two inputs are equal. a. write the binary equations for the circuit's description. b. Usi
For a PMAC (permanent-magnet ac) machine, what would happen if the supplied frequency is not same with the rotating frequency of the rotor
What is the magnetic force on a square loop of current I placed in a uniformed magnetic field B with the plane of the loop perpendicular to the magnetic field. Explain
The p-n junction in part (a) is used as a capacitor in an LC circuit to tune two WHRO stations in your car radio. When no voltage is applied a radio station transmitting at 89.5 MHz is received. Wha
The armature is stationary so that the length of the air gaps, g=10mm, is fixed. A direct current passing through the coil produces flux density of 1.2 T in the gaps. assumeπr=4,000 for sheet ste
consider a random data paatern consisting of binary 1's and 0's , where the probability of obtaining either binary 1 or binary 0 is 2/3 and 1/3 respectively . calculate PSD for bipolar NRZ signaling
A 85F capacitor is charged by a constant current source, and its voltage is increased to 6 V in 7 s. Find the value of the constant current source, Is, and the energy stored in the capacitor after 7