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The upper and lower conducting pltes of a large parallel plate capacitor are separeted by distance d and maintanied at potentials V0 and 0 respectively. a dilectric slab of dielectric constant 6.0 and uniform thickness 0.8d is placed over the lower plate. assuming negligible fringing efect, determine the following by sloving laplace equations: a) the potential and electric field distribution in the dilectric slab. b) the potential and electric feild distrivution in the air space between the dilectric slab and the upper plate and c) the surface change densities on the upper and lower plates?
Consider a circuit consisting of a sinusoidal source vs(t) = cos(t)u(t) volts connected in series to a resistor R and an inductor L and assume that they have been connected for a very long time. (a) Let R=0 and L=1 H. Compute the instantaneous and ..
A low pass filter has a cut-off frequency of 8kHz and a high pass filter has a cut-off frequency of 5kHz. These two circuits are connected back to back in cascade to form an input-output system.
Two balanced three-plia.se loads that are connected in parallel are fed by a three-phase line having a series impedance of (0.4 + j2.7) ohm per phase. One of the loads absorbs 560 kVA at 0.707 power factor lagging
where x is a state variable and r is an input variable. Perform a change of variables in r, i.e., r (t) --> u (t),where the new system is linear without any approximations (hint: assume x (t) ismeasurable)
A coaxial line consists of inner and outer conductors made of copper and having radii of a = 0.65 mm and b = 2.75 mm. The space between the conductors is filled with polyethylene (er=2.25). Find the characteristic impedance Z0
A system samples a sinusoid of frequency 480 Hz at a rate of 100 Hz and writes the sampled signal to its output without further modification. Determine the frequency that the sampling system will generate in its output.
Your circuit has an input, controlled by a switch, that specifies which of the two names are displayed. For example, 0 displays JOsias and 1 displays KAbimb in Braille. A separate LED will be used to indicate the end of the sequence.
A voltage of 6e-2000t V appears across a parallel combination of a 100-mF capacitor and a12 ohm resistor. Calculate the power absorbed by the parallel combination.
A three phase synchronous motor has the synchronous reactance of 2.1 Ohm and draws 250 A with a lagging power factor for an excitation voltage of 1327 -15 degree per phase. Find the terminal voltage of the motor and power factor of the motor.
If the work output is 10kW, find the required heat transfer rate from the high to the low temperature source, and the required heat transfer rate to the low temperature source. What is the themal efficiency of the engine
How much we need to pay for the electricity cost in 61 days when a water-desalination machine runs normally from 8AM to 4PM every day. (It draws 25A in its warming-up time (15 minutes) and draws, on average, 7A in its normal working time at 240V).
A "Mealy" synchronous sequential circuit has one input X and one output Z. An output Z = 1 occurs every time the total number of 1's received is "divisible by 3" AND the total number of 0's received is an even number greater than zero.
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