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Determine the inductive reactance (in ohms) of a 2-H coil for
a. dc and for the following frequencies:
b. 25 Hz
c. 60 Hz
d. 2000 Hz
e. 100,000 Hz
A wire with a circular cross section of radius a = 10[mm] carries a current of 10 [A]. Assuming thecurrent is uniformly distributed in the cross section, determine the volume current density.
Calculate the reactive power and the current supplied to the load and sketch a phasor diagram for this load condition, showing all circuit voltages and currents.
The voltage drops across three resistors in series are measured 10V, 15V, and 25V. If the largest resistor is 47 ohms, what is the value of the smallest resistor?
A single silicon photovoltaic cell is found to have an open-circuit voltage of 0.6 V and a short-circuit current of 15 mA in full sunlight. Show how a collection of these cells can be arranged to deliver 500mW at 9.0V into a load.
What is a SCADA system?And what are the component of SCADA system?
electronic technology in relationship to the use of personnel and access control, surveillance, and identification of authorized personnel.
Discuss different applications that could use non-inverting and inverting amplifier circuits. Will the actual op Amp characteristics cause any challenges it used for each application.
construct a vertical line on your I versus V graph at the point V=5V. this line will intersect each of the sloping lines at two separate points. explain the significance of these intersections.
If inductive load has a 2ohm resistance and 2microhenry inductance in series with a 120V/60Hz source and a capacitor is connected parallel to the entire load so no reactive power is being delivered by the source what is the capacitance value.
The A/D converter has internal memory that can store up to 4x106 discrete samples. What is the maximum number of cycles of a 25 MHz analog sinewave that can be stored in the A/D converter's memory.
Consider unsteady diffusion across a membrane of thickness L. Initially, the concentration of solute in the membrane is zero. At time zero, the concentration at x=0 is raised to C0 and the concentration at x=L is maintained at zero.
A pacemaker is programmed to deliver pulses a certain times every minute for a patient with heart block. A 0.5µF capacitor controls the pulse discharges through a 2M resistor. One pulse is delivered every time the fully charged capacitor loses 50%
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