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Explain what do you understand by intrinsic, P-type and N-type semiconductors. Discuss the position of Fermi Level in each case with the help of Energy Band Diagram.
Calculate the magnitude of the phase voltage-Calculate the magnitude and phase of all line currents-Calculate the magnitude and phase of the neutral current
1. Explain why the iron core changes the size of the induced current. 2. Is the magnetic pole in northern Canada a north or South Pole?
What is the magnitude of the repulsive force between
The Bandwidth of a broadband signal is 6 MHz and it's maximum frequency is 106Mhz. What is the most likely carrier frequency. WHich of the follwing is not a fundamental characteristics determines the effectiveness of a communication system.
The turns ratio (n3/n1) is chosen such that the converter produces the required output voltage at a transformer duty cycle of D=0.4. For each case determine numerical values for the turns ratio n3/n1 and for the efficiency.
A transistor amplifier has a midband gain of -120, a high cutoff frequency of 36 kHz, and a bandwidth of 35.8 kHz. In addition,the actual response is also about -15 dB at f=50 Hz. Write the transfer function for the amplifier.
An ideal abrupt silicon pn junction has a \(N_{A} = 2 x 10^{17} cm^{-3} , N_{D} = 2 x 10^{15} cm^{-3} , \) 1) With derivation steps, calculate internal potential barrier V0 at 300K and 400K, respectively
Use a relay that has doublepole double throw contacts to apply opposite polarity voltages tothe rotos of a small DCD motor upon the throwing of a singleswitch. Include a seperate ON/OFF switch in order to stop the motor before changing directions.
A parallel plate capacitor of width w, Length l, and separation d has a solid dielectric slab of permittivity ε in the space between the plates. The capacitor is charged to a voltage Vo by a battery. Assuming that the dielectric slab is withdrawn ..
In the circuit of FIGURE 2 (in the attachment), the generator V1 has a voltage of 120 volts (r.m.s.) @ 60 Hz and generator V2 has a frequency of 50 Hz. The load is represented by an inductor of 0.1 H and a resistor of 20 Ohms.
A six pole,60 Hz synchronous motor is connected to an infinit bus of 15 KV through a transmission line.The synchronous reactance of the motor is 5 ohm ,and the inductive reactive reactance of the transmission line is 2 ohm
A three-phase, wye-connected induction motor is supplied by a three-phase and foursin system with line-to-line voltage of 220V and the impedance of the motor is 6.3+j3.05Ohm per phase.
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