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A permanent magnet DC generator has a \(k\phi\) value of 8 Wb and RA of 13 ohms. The prime mover rotates the armature at a speed of 1000 rpm. Determine the no-load voltage, the full-load voltage, and the torque required by the prime mover at full load if the full-load power required by the load is 3 kW (assuming most of the power is delivered to the load) neglecting rotational losses.
Determine the maximum power that a 430 km, high-voltage 3-phase transmission line can transmit if the system voltage is 550kV and the impedance of the line is 0.5 ohm/km. Determine illuminance at a distance of 12 ft from source.
Determine the maximum and minimum spectral frequencies received from a stationary GSM transmitter that has a center frequency of exactly 1950.000000 MHzassuming that the receiver is traveling at speeds of.
A 190-F capacitance is initially charged to 1190V . At t = 0, it is connected to a 1-k resistance. a) At what time t2 has 50 percent of the initial energy stored in the capacitance been dissipated in the resistance
How the inversion voltage is affected by the relative sizes of the sizes of the nMOS nMOS and pMOS TRANSISTORS OF THE CMOS transistors of the CMOS inverter
An x-y plane separates two materials. Material 1 covers z 0 region. There is no surface current or charge on the boundary between the two materials.
Consider a magnetic dipole carrying a current I. a. Calculate the magnetic flux density B at a point P specified in spherical coordinates. Express the answer in terms of the magnetic dipole moment m. Justify all the assumptions adopted.
Design a circuit that will multiply the input voltage by +12. That is the output voltage is 12v1 where v1 is the input voltage. All resistors should be at least 12ohms.
What are the respective advantages and disadvantages of the asynchronous and synchronous communication modes from a reliability perspective?
Can A Buck Converter with Synchronous rectifier operate in DCM at a light load If the load is disconnected how does this affect the Inductor current
What is the system's Nyquist sample rate if ω0 = 1000/(2π) rad/sec.?
determine the transfer function of a 4th order lowpass butterworth filter with a 3-dB cutoff frequency of 3.4 kHz and passband gain=1. Design the circuit using MFB topology. Design two sections with an order of 2.
Let us assume that a synchronouse 3 phase alternator produces a no-load line voltage of 13.2 KV. if a load having a lagging power factor of 0.8 is connected to the machine, must the excitation be increased or decreased
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