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If in an ideal op amp has no current coming out of the inverting terminal and the non-inverting terminal then shouldn't the current going through the 9k Ω resistor be equal to 1mA and also can
A square coil with sides of length 0.5m and of 100 turns of wire isplaced in a region with uniform magnetic flux density of 0.2T. If the maximum magnetictorque exerted on the coil is 4x10^-2 Nm , wh
Three identical amps having Avoc = 25, Ri = 2kΩ and Ro = 3kΩ are cascaded. Determine theinput resistance, the open-circuit voltage gain, and the outputresistance of the cascade.
a binary pulse counter can be constructed by inter connecting t-typeflip-flops in an appropriate manner. assume it is desired toconstruct a counter which can count up to 100 subscript 10. A) how man
(a) Give the Boolean function Y . (b) Sketch a PDN directly from the expression for Y. Note that it requires 12 transistors in addition to those in the inverters (c) From inspection of the PDN
a)How many holes are in the valence band b)If electrons are constantly seeking lower energies and recombining with holes then how can the number of 10billion remain constant.
What is the lowest value of Vcc for which the BJT will always remain in the active region. Sketch Vl versus time for a Vcc slightly lower than this limit. Which BJT region(saturationor cuttoff) limi
A power utility pole has a transformer with 2400 turns in theprimary and 4.5kV coming from the power line. Describe the center-tapped secondary needed to obtain 240V(120V/120V) for a commercial cust
A tank of fluid employed in a chemical process is being monitoredwith three sensors. The sensors measure temperature, pressure andfluid level. If all the sensor measurements are in the normalrange,
1) A 5H inductor changes its current by 6 A in 0.4s. The voltage produced at the terminals of the inductor is 2) An RL circuit has R=2 ohms and L=4. The time needed for theinductor current to reach 40
A 10-uF capacitor has a voltage with the following time dependence:v(t)=20*[1-exp(-0.2*t)] in unit of Volt. Determine the current, power, and energy of the capacitor as a function of time
(a) A student would like to find the relative dielectricconstant of a non-magnetic medium. He transmitted a plane EM waveat 10GHz inside the medium and found that the propagating wave hasa wavelengt
A uniform plane wave in a lossy medium has a phase constant of1.6 rad/m at 10MHz and its magnitude is reduced by 60% for every 2m traveled. (a) How much attenuation will the wave suffer indB/m
You are designing a general purpose integrated circuit oscillator that will operate at various frequencies, based on the external reactances the user supplies. You expect that the IC will be used a
Design a CMOS inverter taht has parameters Voh=12V, Vol˜0, and Vic=4V, where Vic is the cross over voltage. Specify Vtr, W,and L for each of the MOSFETs for a minimum line width of 1.5 μm.
If a constant current load draws 1 nA from the capacitor, how long does it taketo completely discharge the capacitor. Draw the voltage of the capacitor as a function of timeduring this discharge proce
A PCM-TDM system multiplexes 32 voice band channels each with a bandwidth of 0-4kHz. Each sample is encoded with an 8-bit PCM code. UPNRZ encoding is used.
A voltage source is in series with a 1 MΩ resistor and a100 picofarad capacitor. The voltage source is 10cos(2π*10^3t - π/6). What is the voltage across the capacitor
Consider a point to point link needs a beam which is directed asclose as possible to the other antenna. This will minimizeinterference between different communications systems, as well asmaximizing
The total complex power delivered to the Y-connected 3-phase balanced load is 1152+j864 KVA. The line voltage at the terminal ofthe load is 4160V. a) Find the magnitude of the line current feeding t
The filter is to have less than 1 dB ripple in the passband compared to the response at DC. The passband is to extend to at least 16 kHz. In addition, the stopband attenuation is to be at least 65
Create a Line class using the coefficients a, b and c of the equation ax + by + c = 0 that represents the line as the class fields. Enforce the class invariant that either a or b is non-zero and c i
The iron section was attached to the ceiling while the steel section was placed on a horizontal support so that 1-mm airgaps were left between the sections. The mass density of steel is7.8 g/cm3. Th
An npn BJT operating with its base-emitter junction forward biased, its base-collector junction reversed biased, and negligiblehole-electron recombination in the base has an emitter current composed
A pn junction diode and the base-emitter junction of an npn BJT have the same physical structure and doping level. The twoare connected in parallel and energized to the same voltage. If the diode cu