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A coil having a resistance of 100 ohm and an inductance of 0.5H, a 60uF capacitor, and a 30 ohm resistor are all connected in series to a 208-V 60-Hz source. Calculate the magnitude and phase angle of the current through the coil, and the magnitude and phase angle of the voltage across the coil. Also, calculate S, P and Q for the circuit?
A single-phase, half-wave SCR circuit is used to control the power consumption of an inductive load. The resistive component of the load is 5 Ohm. The source voltage is 120 V (rms). When the triggering angle is adjusted to 60 degrees
A sample of radiocactive material undergoes decay such that the number of atoms N(t) remaining in the unstable state at time t is related to the number No at t = 0 by the relation N(t) = No exp(t\tau)
a) Design a band-pass filter consisting of an RC high-pass filter with a cutoff frequency of 300 Hz and an RC low-pass filter with a cutoff frequency of 3400 Hz. Carefully select R and C of each filter so that one filter does not load the other
A small gasoline engine can put out 24,000 N-m/min of mechanical power. The engine is used to drive an electrical generator that is 70 percent efficient. 1 N-m = 2.78 X 10-4W-h. Find the output of the generator in Watts.
Frequently, the output of transducers are much smaller than what an A/D converter expects on its input. That would require an amplifier to match it. Sometimes the output does not start at 0V. Usually the minimum reference input voltage of an A/D
Compare MOSFET devices to BJT devices. Specifically, which devices are minority carrier devices and which devices are majority carrier devices. What impact does this have Also, compare power consumption, speed, integration, and preva- lence.
The simple inexpensive hydro turbo-generator (turbine mated with electric generator) that you intend to buy has a working efficiency of 60%. Answer the following (show your work).
The resistance of the filament of the bulb, measured with a standard multimeter, is 16.7 ohms. When the bulb is connected into the circuit and is operating at the rated values given above determine a) the resistance of the filament b) the efficien..
The input impedance of a JFET used in COMMON SOURCE configuration, is defined by two considerations: The JFET itself has a VERY HIGH INPUT IMPEDANCE, because the input is the GATE to SOURCE junction that is REVERSE biased
(a) If a motor at the end of a transmission line has a reactance of 8 ohms per phase, what is the maximum power which the machine can develop, given that the sender voltage is 4kV and the induced voltage Eo is also 4kV.
What is the bandwidth occupied by this signal, and the noise bandwidth of the receiver for this signal? Find the BER at the receiver output and the average time between errors.
A dc series motor has a armature current of 10A at full load. The motor terminal voltage is 300V. The armature and field resistances are 2 ohm and 3 ohm respecitively. The motor speed at full load is 250 rpm. Calculate the starting torque of the m..
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