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An RLC circuit exists, with current flowing counter clockwise through it. R= 5.661 Ohms, L=20.2 mH, and C=157.6?F. Voltage across the capacitor is positioned so that the current meets the positive terminal first. The initial conditions are v(0+) = 0 and i(0+) = 669.4 A.
There are no independent source inputs. The inductor current, i, is considered to be the output.
a) Solve for natural response, in(t).
b) Find the value of R that would provide critical damping in a). All other parameters remain unchanged. Then solve for in(t).
c) Double the value of R that was used in a). All other parameters remain unchanged. Then solve for in(t).
Calculate the carrier concentrations and the type of semiconductor if a pure silicon crystal at 300K is doped with 2.5×10^13 cm-3 boron atoms.
Determine the turns required in each phase of a star connected alternator operating on an 11 kV 50 Hz system if it has a flux per pole of 0.38 Wb, pitch factor of 0.95 and breadth factor of 0.98
What fixed point unsigned representation, with how many bits and how many bits to the left of the binary point, should we use if we need to represent numbers in the range 0 - 100 with a resolution of .001 or better
A sinusoidal voltage source given by V(t)=100cos100pi*t V is applied across a 50-ohm resistor. (a) Plot v(t) to scale versus time. (b) Find the instantaneous power and plot it to scale versus time. (c) Find the rms value of the voltage source and the..
Design limiter circuits using only diodes and 10-k ohm resistors to provide an output signal limited to the range: (a) -0.7V and above (b) -2.1V and above (c) ±1.4V Assume that each diode has a 0.7-V drop when conducting.
A 345-kV, 3-phase transmission line delivers 100 MVA, 0.866 lagging, to a wye connected load. Calculate the following: a. The total real and reactive power delivered to the load. b. The real and reactive power per phase.
1. How much noise can be tolerated in a digital system using a 5 V power supply 2.What functions does an H-bridge perform in controlling a small DC motor 3.Explain how to calculate the duty cycle of a pulse in terms of frequency and width.
An engineering statistician wants to conduct a test to determine if there is a difference in the compression strength of two different manufactures of reinforced concrete columns.
While both triangular and sawtooth waveforms work in a PWM modulator, it does affect the phase of the PWM output and being able to control this can be useful. Consider your resistor and capacitor choices for the 555 timer circuit.
a) both stations begin to transmit at the same time b) one station begins to transmit at the first possible moment such that its transmission would not be detected by the other station before it began its transmission
Place the relay in the Collector circuit, the resistor in the Base circuit and the diode in parallel with the relay to provide a path for current due to energizing the relay.
A certain 11 V dry-cell battery, completely discharged, requires a current of 100 mA for 1.2 hr to completely recharge. What is the energy storage capacity of the battery, assuming the voltage does not depend on its charge status?
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