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Design a DC motor control system to run the 48V DC motor at 40rpm up to max load of the motor-You are responsible for designing the control of a 24V supply along with the speed sensing and feedback controls.
The voltage across an element is v(t) = 5e-7t V. The current entering the positive terminal of the element is i(t) = 1e-6t A. Find the energy absorbed by the element in 0.038 s starting from t = 0.
A student acquires a 50mV, 1mA (meter-A) and a 50mV , 2mA (Meter-b) d'arsonval movements and converts both the meters to measure 100v full scale individually. A potential divider consisting of 70k and30k resistors was powered using an ideal 100v D..
Design a 7.5-V zener regulator circuit using a 7.5-V zener specified at 12mA. The zener has an incremental resistance r(z) = 30 ohms and a knee current of 0.5mA. The regulator operates from a 10-V supply and has a 1.2k-ohm load.
smoke detector was loaded with 0.2u Curie when purchased 20 years ago. The isotope is Am-241with a half-life of 426 years. How much remains today
A flat sheet of paper of area 0.150 m2 is oriented so that the normal to the sheet is at an angle of 65° to a uniform electric field of magnitude 29 N/C. (a) Find the magnitude of the electric flux through the sheet.
Determine the dynamic behavior of the tank concentrations (CA0 and CA) in response to a step change in inlet concentration by 0.925 mole/m3. Estimate the time it takes until 63% of the change in outlet concentration, CA has occurred.
A 200 nm oxide film is deposited on a 500 m thick bare silicon wafer that has a radius of curvature of 300 m. After deposition, the radius is measured to be 200 m. A 600 nm nitride film is now deposited on the oxide
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.
For a maximum positive envelope voltage +12 V and a minimum positive envelope amplitude of +4V, determine the modulation coefficient and percent voltage.
What is the frequency for a periodic signal with a period of 2.5 ns 2.5 GHz 250 MHz 4.0 GHZ 400 MHz 2. Which decimal number is equivalent to 25 10 25 31 32 3. Convert the following decimal negative numbers to their 8-bit, 2's complement formulatio..
Draw the schematic for the following expression, mapped into a NAND-only network. You may assume that literals and their complements are available: AB'C' + A'C + A'B
A linear-phase FIR filter should be designed with the ideal magnitude response shown in Figure 1 which represents an narrow band-pass filter. The lower cutoff frequency, fL , is 2,000 Hz, and higher cutoff frequency, fH , is 3,600 Hz.
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