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A circuit consist of two impedance,Z1=50/_45 ohms and Z2=25/_30 ohms, connected in parallel. They are supplied by a source whose voltage is V=50/_0 volts. Determined follows:
1. the current drwan by each impedance
2. the complex power drawn by each impedance
3. the total current supplied by the source
4. the complex power supplied by the source
calculate the mmf when the machine operates at rated voltage at full load? PLease explain how to get the solution to this problem?
An electric dipole has opposite charges of 5.0x10^-15 C separated by a distance of .40mm. It is oriented at 60 degrees with respect to a uniform electric field of magnitude 2.0x10^3 N/C. Determine the magnitude of the torque exerted on the dipole ..
Design a counter to count even numbers between 0 and 15. Therefore states will be 0 -> 2 -> 4 -> 6 -> 8 -> 10 -> 12 -> 14 -> 0. If any unused state is encountered bewteen 0 and 7, then the counter should go back to initial state 0.
A 20-m3 tank contains nitrogen at 23 C and 600 kPa. Some nitrogen is allowed to escape until the pressure drops to 400 kPa and the temperature to 20 C. Determine the amount of nitrogen gas that has escaped in kg. How much in this in Kmoles
Design an interface for a 12 V, 500 mA bipolar stepper motor. There are 200 steps per revolution. Write software to spin the motor at 1 rps.
Consider the thermal noise produced by a resistor. How does the noise level change if the resistance is increased by a factor of 100 Next, assume the noise is passed through an ideal, noiseless low-pass filter.
Three point charges are positioned in the x-y plant as follows: 5 nC at y=5 cm, -10 nC at y=-5 cm, and 15 nC at x=-5 cm. Find the required x-y coordinates of a 20 nC fourth charge that will produce a zero electric field at the origin.
Design a 2-bit counter that, when f = 1, counts in the repeating sequence: 0, 2, 3, and when f = 0, counts in the reverse direction. Use T flip-flops. (a) Construct a state diagram or state table. (b) Specify a state assignment.
A 4 MHz time-harmonic uniform TEM plane wave that is traveling through a lossy nonmagnetic medium has an amplitude that attenuates by 20% for each meter of propagation. The electric field of the wave leads the magnetic field by 35°
Three -phase motor is connected to a three-phase power source that has an abc phase sequence. the first load is a wye-connected, three-phase motor withdrawing a line current of 20A at a 0.8 lagging power factor.
Design an inverting amplifier with a gain of -12 that has an input impedance that is larger than 100K that can drive a 2K resistive load using bipolar transistors. Verify your design analytically and with SPICE.
Use Modelsim and a VHDL test bench to simulate all the three models for a 4-to-1 multiplexer. Use basic gates for structural modeling. A tar VHDL library file is given for assistance.
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