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The heater is driven from a voltage-controlled power supply, the voltage V1 being derived from a potentiometer. The output temperature, 0 degree, is subject to disturbances, 0D, because of changes in the ambient temperature. It is proposed to apply 'disturbance feedback control, to the system by the inclusion of a transducer that measures the external temperature and feeds a signal back to the input via a proportional controller of gain H.
Determine the required value of H to eliminate the effect of the disturbance.
Why AC rated in Tons, Not in kW or kVA?
The exponential Fourier series coecients for a signal x(t) are: ak= { 1.57 when k=0, 0 when k is even and k doesnt equal 0, ((-1)(k-1)/2)/k when k is odd} Determine the following: (a) Plot the spectrum of the Fourier series.
What is Arduino,his types and How to Program it? (I need a full report with explanation and examples )
Find the current that flows in a silicon bar of 10-µm length having a 5-µm x 4-µm cross section and having free electron and hole densities of 105 / cm³ and 1015 / cm³, respectively, when a 1 V is applied end-to-end. Use µn = 1200 cm²/V·s and µp =..
An industrial isolation transformer has a power rating of 1.0 kVA at 240 VAC. Identify the nominal turns ratio (nsec/ npri). Calculate the rated current of the secondary winding.
Assume there are five numbers stored in locations 20 to 24. Write a machine language program to add these numbers and store the result in location 25.
How to create a eight-element row vector named vc that contains the elements of the second rows of A andthe fourth column of A?? and create a six-element row vector named vd that contains the elements of the first and fifth columns of a
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.
A pressure measurement system is stated as having the following characteristics. Range: 0 to 140 kPa; Accuracy: ±1.5% of the displayed reading; Temperature sensitivity: ±0.1% of the reading per °C If the instrument indicates a pressure of 120 kPa
A shunt-connected a DC motor has zero rotational losses and RA = 0. Assume that RA and Radj is constant [except in part (d)] and that φ is directly proportion to field current. For VT= 200 V and Pout = 2 hp.
One kilowatt-hour is the amountof energy transferred by a 1 kW of power in a time period of 1hour. A power company billing statement reports a user'stotal energy to be 1489 kWh. Find the number of joules usedduring the billing period.
A car battery has an open-terminal voltage of 12 V and an internal resistance of 0.02 . If the car starter has a resistance of 0.10 in series with the batter, what is the resulting terminal voltage on the starter
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