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A 20 uF capacitor has a voltage of 12V across it at t=0. If a constant current of 4mA flows through the capacitor in the non-passive direction, how long will it take for all of the energy to be drai
1-If the voltage is 106 V cos(84 rad/s t + 46°) and the current is 9 A cos(84 rad/s t + 72°), what is the frequency of the instantaneous power. 2- If the voltage is 101 V cos(47 rad/s t + 11
Calculate the impedance to neutral of this line. Calculate the line charging current in A/phase if the line is 100 km long and is operated at line-line voltage of 230 kV (8.565 pF/m, j3.23 micro-Sie
A 230 kV, 60 Hz, three-phase transposed overhead transmission line has one ACSR 954 kcmil conductor per phase and flat horizontal spacing with 8 m between adjacent conductors. Determine the inductan
Simplify the Boolean function f(a,b,c,d)= sigma m(1,3,4,5,12,13) into a hazard free logic function and implement that function with two level NOR logic gates.
Use the table on slide 11 of this lecture and determine the line parameters L and C of the transmission line. Consider that the TL is lossless and µ = µ0 for polystyrene. Then find the c
A battery has an internal resistance of 0.029-ohm and an emf of 9.00 V. What is the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.60 V
When a forward bias is applied across a junction is the increased current flow due to movement of the Fermi level closer to the band edge or to lowering of the potential barrier. If you want to incr
Is the high carrier concentration in transparent conductors due to their ideal band structure or to the presence of defects and dopants. If two different materials but with the same work function are
Design a dc power supply that provides a nominal dc voltage of 12V that will supply a load current of up to 30mA. Use a Bridge rectifier in your design and isolate your circuit by use of a transform
Design and implement a vending machine (Moore FSM) with the following specification using VHDL. Accepts and returns only quarters Vends either Coke, or Pepsi, or a chocolate ba for a dollar Vends pean
A 1.1 mF capacitor has initial voltage of 12 V.The energy stored in the capacitor is used to light up a 0.7 KOhm lamp.Assuming that the lamp is completely dimmed when the current through it is less
Next find a 95% confidence interval for the proportion theta of defective chips and also find a one sided 95% confidence interval for the proportion of defective ones. Refering to this problem, how
State the approximate sampling distribution of theta hat, the proportion of persons who spent more than 1200 on a pc. Find the probability that more than 60% of this group spent more than 1200.
initially at a temperature of 17c and a pressure of 100 kpa air occupies a volume of 3.0 m 3 in a rigid vessel.a valve opens allowing air at 600 kpa and 17c to enter until equilibrium is reached fin
In a steam plant where you work, the turbine develops 1000 kW. The heat supplied to the steam in the boiler is 2800 kJ/kg and the heat rejected by the steam to the cooling water in the condenser is
A transformer on no load takes 4.5 A at a power factor of 0.25 lagging when connected to a 120V, 60Hz supply, the number of turns of the primary winding is 250. Calculate the magnetizing current, co
A 600/120V, 60Hz transformer has a primary resistance of 0.4 Ohm, reactance of 0.9 ohm and secondary has a resistance of 0.8 Ohm and reactance of 1.2 Ohm. Find the secondary terminal voltage when it
If electrons are moving in the presence of an electric field and the field in turned off, do they continue to move or come to rest with zero velocity. When discussing the ganeration of electron/hole
A temperature of 200 oC is measured using a thermopile having three pairs of measuring junctions as shown in the figure below. The reference junction temperatures are set at room temperature of 25 o
It was noticed (in the field) that when the load was turned off (0 real power consumption) that the generator began to operate leading, yet the engineer was not able to replicate this behavior using
1) When discussing the generation of electron/ hole pairs by light in semiconductors is it best to use the wave or particle rendition of light energy. 2) In what type of electron transition from val
The voltages at the generators buses are maintained at a magnitude of 1.0pu. The generator one (G1) is connected to bus 1. The generator two (G2) is connected to bus 2. The bus angle at bus 2 is tak
(a) Identify the problem with this data. (b) How would the transmitter fix the problem. (Write down the sequence as it would be transmitted.) (c) What would the receiver do to the received bit sequenc
If the telephone instrument has a resistance of 200 ohms when off hook and represents an open circuit when on hook calculate the combined resistance of the local loop and the power source at the cen