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Suppose one is given a modulo-2N counter that consists of N "T" flip-flops running on a 1.0 Hz clock source. Using an external input line, convert the counter into a stop watch, which starts and sto
At t = 5s, the energy stored in a 2-H inductor is 200J and is increasing at 100J/s. Determine the voltage magnitude and current magnitude at t = 5s. Does the current enter or leave the positive ter
If the peak-peak voltage of a sinusoidal waveform extendsvertically 6.4 division and the oscilloscope vertical sensitivitywas set to 0.5 volts/division, what would be the reading of amultimeter usin
A cube ( each side of the cube has length 15 mm. ) of germanium passes a current of 25 mA when 9 mV is applied between two of its parallel faces. Assuming that the charge carriers are electrons that
a sine wave signal (20 V PP) is connected to a 10k ohm resistor. Calculate the current through the resistor in terms of average,rms, and peak currents. what wattage rating should the resistor have
Suppose a signal from a vibrating motor is to be sampled discretelywith a digital data acquisition system to determine the RPM of the motor. It is known that the maximum possible RPM is 1800.
Assume that all numbers are signed binaryintegers. The final quotient must be an 8-bit number stored in the AL register, and all registers other than AX (that is, AH and AL) should hold the same con
For the system used in this lab, suppose the voltage tobe measured in a certain experiment is always positive, and neverexceeds 2.5 V. How many of the 16 bits of the A/D converter are effectively ut
The input resistance of the recorder is unknown andlikely to be variable, but it is greater than 10kΩ. Adeflection of 1 cm per milliampere of cell current with anaccuracy of about ±3 pe
A three-phase, 13 kV transmission line delivers 8 MVA of load. The per-phase impedance of the line is (0.01 + j0.05) pu,referred to a 13 kV, 8 MVA base. What is the voltage drop across the line
What is the minimum sampling frequency to be able to avoid aliasing if your system has 10Hz, 100Hz and 1500Hz mixed in a signal
A cuboid of Germanium (Ge) has contacts all over its 2 x 1 mmends and point contacts exactly half way along its 5 mm length, atthe center of the 5 x 1mm faces. A magnetic field can be appliedparalle
find the quasi-fermi levels and the change in conductivity of the sampleupon shining the light. electron and hole life times are both 10us. Dp(diffusivity of holes)= 12cm^2/s Dn(diffusivity ofelectr
for a Si conductor of length 5um, doped n-type at 10^15 cm^-3,calculate the current density for an applied voltage of 2.5 Vacross its legth. how about for a voltage of 2500V the electronand hole mob
Design a two-way radio link to operate over earth-Mars distances for data and picture transmission with a Mars probe at 2.5Ghz with a 5-MHz bandwidth. A power of10-19 W Hz-1 is to be delivered to th
A load operating at 2300 V rms draws 28 A at a power factor of 0.812 lagging. Find (a) the peak current in amperes; (b) the instantaneous power at t=2.5 ms assuming an operating frequency of 60 hz;
A load operating at 6400 Vrms draws 56 A at a PF of0.812 lagging. Find: (a) the peak current in amperes (b) the instantaneous power at t=2.5 ms assuming an operating frequency of 60 Hz
Two infinitely long coaxial cylinders ofradii a and b ( a > b) carry surface charge+ λ and -λ respectively. Find the E field in theregion inside the inner
What would the selection criteria and a pratical application be for a unitary, a modular and a rack mounted programmable controller
the color code on a resistor specifies the resistance as4.7kOhms. A multimeter measured the resistance as 4.688kOhms. What is the nominal resistance of the resistor
Draw a graph of V=IR for R=300ohms over the domain -3mA<1<3mA
A device operates at 30 degree C with a bandwidth of 8 KHz anda dccurrent of 1.75 ma. Find the total noise power, moise current and equivalent noise voltage.
A system has a powe gain of 52. Directivity is measured as 90 and the dissipated power in an antenna with a gain of 700 is 1.9 watts. what is the EIRP in watts and dBm
four loads are connected in series across 110 volts D.C.THE loads fail to operate.a voltmeter connected in succession across each device reads 0 across the first three loads and 110 volts across the
A coil has an inductance of 400 mH and aresistance, RL, of 10 Ω. The coil is connected in series with a 100 Ω resistor Racross a 240V - 50Hz supply voltage V. Sketch the circuit diagram