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Convert the following degrees to radians:a. 45°
b. 60°
c. 120°
d. 270°
e. 178°
f. 221°
Problem: A 50kW load operates from a 60 Hz 10 kV line with a power factor of 60% lagging. Determine the capacitance that must be placed in parallel with the load to achieve a 90% lagging power factor.
the schematic of the traffic light controller is as shown in figure. there are three control buttons on the panel haz
Perform the following unsigned binary additions. In each case, can the result be represented in the same number of bits as the operands, or is an extra bit required?
The armature of a separately excited (fixed field) DC motor with the parameters given below is to be driven from a single switch DC Chopper. Draw the circuit diagram for the circuit and sketch the waveforms for the motor voltage and current.
Write down an expression for the voltage waveform. Sketch the waveforms of the harmonic components. Determine the voltage at 20 rns. Given an ideal V= 100 V rms, what is the percentage error at 20 ms?
Assume that the motor load is wyeconnected and that it draws a line current of 6 A. Calculate the pf of the motor and its phase impedance.
What is the Main Difference between Linear and Nonlinear Circuit ? with examples of liner Circuits and Linear Elements and Non Liner Circuits and Non Linear Elements .
A speaker can be modeled as an inductor LS (the coil that generates the magnetic field to move the speaker diaphragm) in series with a resistor RS (resistance associated with the coil wire, as well as the energy lost to the acoustic output the spe..
The number of turns in primary and secondary of an ideal transformer are N1 = 50 turns and N2 = 400 turns. The primary winding is connected to a 120 - V, 60 Hz source with a source resistance of 50 Ω. The secondary winding is connected to a 1600 ..
two electronics students are discussing electrical units. student a says that electrical power is measured in units
The electric motors unmanned drones use transformers to produce sufficient current to move the flight surfaces. Due to the weight restrictions of the vehicle, the transformers use a ceramic rather than iron, the ceramic has a permeability of mu = 4..
a) How long does it take for the soprano's voice to reach the listener b)In the same time interval, how far form the soprano has the sound wave in the auditorium traveled. Take the speed of sound to be 340 m/s.
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