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Consider the problem of using a low voltage system to power a small cabin. Suppose a 12-V system powers a pair of 100-W light bulbs (wired in parallel). A) What would be the filament resistance of a
A 120 V lamp-dimming circuit is controlled by a rheostat and protect from excessive current by a 2 A fuse. To what minimum resistance value can the rheostat be set without blowing the fuse
find the fundamental period. x(t)= summation of k=-5 and 5 w(t-2k) for w(t) depicted in figure. the figure is graph from negative 1 to infinite and postive 1to infinite on x-axis, a straight line c
A causal LTI dicrete time system is said to have an overshoot in its step response if the response exhibits an oscillatory behavior with decaying amplitude around a final constant value.
After each number is input, print a running average, calculated with the average() function described above. If the average is the last average to be displayed, indicate it is the final average.
Identify what makes flipping a coin and keeping track of tails a binomial experiment and please give one example of each, and describe how these examples differ from one another
Two Parallel single-phase loads are supplied by a 480 volt RMS, 60 Hz, source. The two loads are: Load 1 : 15.0 kW at .6 lagging p.f. Load 2 : 25.0 kVA at .8 lagging p.f. 1) the combined real power dr
Three single-phase 7200:480 volt, 20 kVA transformers are connected in a bank with the 7200 volt winding connected in wye and the 480 volt winding connected in a delta 1) the kVA rating of the three
You know a byte is 8 bits. We call a 4-bit quantity a nibble. If a byte-addressable memory has a 14-bit address, how many nibbles of storage are in this memory
Suppose that a current source is feeding an amplifier with input resistance of 5k ohms. The current source can be approximated with it Norton equivalent circuit delivering Norton current of I=50mA a
similarly, let y=y0y1 represent another number with the same four possible values. the output f should be 1 if the numbers represented by x and y are equal.otherwise, f should be 0. A- show the trut
Suppose that a current x(t) = e^-0.5t for t > or equal to 0, and zero otherwise is applied to a discharged capacitor of capacitance C =1F at t = 0 sec. What would be the voltage in the capacitor
a power source is giving 12 V to a circuit. In the circuit there is a resistor. Therefore, would the voltage drop 12 V when the charge moves across the resistor making there 0 V in the circuit after
How much current must a logic output source, in order to maintain an output voltage of 2.5V when driving a 5K resistor connected to ground.
Build a 1Gbps link as long as possible without regeneration. Assume a transmitter power of 1mW and a receiver sensitivity of -30dBm for a BER of 10^(-9). The dispersion at 1.5 micron is 20 ps/km.nm,
For a particular IC-fabrication process, the transconductance parameter kn'=400 micro amps/v^2 and vt=0.4V. In an application in which Vga=Vds=Vsupply=1.8, a drain current of 2mA is required of a de
What are the three possible ways of constructing three-phase two winding transformers and give brief description of the constructional features of each type.
The adjustable contact of a linear potentiometer is set at the mechanical center of its adjustment. If the total resistance is 1000 O, what is the resistance between each end terminal and the adjustab
a 4-pole, 50 hz induction motor has a full load slip of 5%. each rotor phase has a resistance of 0.3 ohms and a standstill reactance of 1.2 ohms. find the ratio of maximum tirque to full load torque
a) Design an inverting amplifier with a closed-loop gain of -100V/V and an input resistance of 1 KΩ. b) If the op amp is known to have an open-loop gain of 1000V/V, what do you expect the clos
a 10 pole 25 cycle alternator directly coupled to, and is driven by a 60 cycle synchronous motor. how many poles are there in the latter
clarify if this is correct. On the charge profile graph, I do not understand how the charge is fluctuating up and down to make a current since current is the change in charge over time. How does the
Consider a bank of three single-phase two-winding transformer whose high-voltage terminals are connected to a three-phase, 13.8 kV feeder. The low-voltage terminals are connected to a three-phase su
The voltage and current at the terminals of the circuit element ate zero for t < 0 and t > 40 s. In the interval between 0 and 40 s the expressions are. At what instant of time is the power be
Construct a nontrivial resistive circuit with at least two loops and at least three resistors in each loop. Verify Kirchho's laws for this circuit both theoretically and empirically. Notice that thi