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Low-cost audio power amplifiers often avoid direct coupling of the loudspeaker to the output stage because any resulting dc bias current in the speaker can use up (and thereby waste) its limited mec
The current density in a cylindrical conductor of radius R = 43.1 cm, varies as J(r) = J0r/R (in the region from zero to R), where J0 = 0.417 C/m2. a) Find the magnitude of the magnetic field at r =
a 20 mH inductor with an internal resistance of 20 ohms is connected in series with a capacitor and a voltage source with a thevenin resistance of 60 ohms. a. what value of C will be needed to produ
a series RLC bandpass circuit with R= 30 ohms is designed to have a bandwidth of 5 Mrad/s and a center frequency of 50 Mrad/s. Find L, C,Q and the two cut off frequencies.
design a first order low pass filter with a DC gain of 2 and a gain of -3 decibels at 1000 rad/s. not sure what design equations to use since there not seem to be a given cut off frequency.
A 1-uF capacitance is in parallel with the series combination of a 6-uF capacitance and a 3-uF capacitance. Sketch the circuit diagram and determine the equivalent capacitance of the combination.
Grounded Conducting sheets are situated at x = 0 and y = 0 while a point charge Q is placed at (a,a,0). Determine the potential for x > 0, y>0.
At t=40s, the capacitor is disconnected from the charging circuit and connected in parallel with a 5- Mega ohm resistor. Determine the voltage across the capacitor at t=40s and at t=100s.
Design the datapath which has registers R0 through R3 and will output the value R0 + R1 if the value in register Z is zero and output R2 - R3 if the value in register Z is nonzero. Note: (Use any of
Design a datapath which will do one of the following. (1) add the value in register A to the calue in one of the registers R0 through R3 and store the result back in A, (2) subtract the value of one
Design the datapath that will add the value in register A to the value in any of the registers R0 through R3 and store the result back into any of the registers R0 through R3. The inputs to the data
Design the datapath which will add the value in register A to the value in either of the registers B or C and store the value back in A. The input to the datapath should be a control signal s: if s
you have the task of ordering a replacement inductor for one that has become defective. The information on the nameplate has been painted over and cannnot be read. The machine that contains the indu
A belt is wrapped around a pulley creating a torque of 186 N-m. What power is being transmitted if the pulley is rotating at 200rpm
A 25KVA single phase transformer has 220 turns on the primary and 80 turns on the secondary. The primary is connected to 1500V, 50Hz supply. Calculate primary and secondary currents on full load sec
how to write a VHDL or an ABEL or a Verilog program using Active HDL 6.3 Student Edition or Xilinx Student Edition 6.31 for a generic 3-to-8 binary decoder with active-high inputs and outputs but wi
(a.) the short dipole far fields (b.) the time-average power density in the far field of the short dipole (c.) the total radiated power radiated by the short dipole (d.) the radiation resistance of
The current distribution on a center-fed short dipole (length l n ë) centered at the coordinate origin and lying along the z-axis can be written as where Io defines the peak value of the curren
A Hertzian dipole of length Äl = 0.6 mm in air carries a current of Io = 10 mA at a frequency of 10 GHz. The antenna is located at the coordinate origin and the antenna current is oriented alon
A 500-kVA transformer is at full load and 0.60 lagging power faactor. A capacitor bank is added, improving the power factor to 0.90 lagging. After improvement, what percent of rated kVA is the trans
A 25-kVA load with power factor 0.80 lagging has a group of resistive heating units added at unity power factor. How many kW do these units take, if the new overall power factor is 0.85 lagging
The addition of a 20-kvar capacitor bank improved the power factor of a certain load to 0.90 lagging. Determine the complex power before the addition of the capacitors, if the final apparent power i
Your code should ensure that the input characters are, in fact, part of the upper case alphabet. In the event of an incorrect input, your code should print a message indicating the offending charact
A serial parity bit generator is a sequential circuit that does the following: It receives an N-bit message followed by a zero (so there are N+1 clock bits to send the message). At the output the ci
why would a company's manager be concerned about the quantity of its purchase returns if its suppliers allow unlimited returns