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The diameter of no.12 Copper wire is 0.081in. The max. safe currentit can carry is 20 A. At this current, what is the drift velocityof the electrons (the number of electrons carries on cubiccentimet
A 15μF capacitor is connected to a 50 V battery andbecomes fully charged. The battery is removed and a slab ofdielectric that completely fills the space between the plates isinserted. If the diel
Consider a MOSFET tansister experiancing pinch-off near thedrain. by the equation I=Qv indicates that the charge density andcarrier velocity must change in opposite directions if the current remains
Summarize when and why it is important to use the "50Ω"termination setting on the function generator (with thecorresponding 50Ω terminator in the circuit, of course). In which situations
Using a 4-bit synchronous counter and an AND gate, construct a counter that counts from 0000 through 1010. Repeat for a count from 0000 through 1110. Minimize the number of inputs to the AND gate.
An op-amp is connected in the noninverting amplifier configuration. A gain of 21 is achieved using resistors ofvalue 1Mohm and 50 kohms in the feedback circuit. The signal source is connected to the
an initially charged capacitence discharges through a resistance. At one time constant, what percentage of the initial voltage remains what percentage of the initial stored energy remains
the following string of ASCII characters whose bit patterns havebeen converted into hexadeciminal for compactness:73 F4 E5 76 E5 4A EF 62 73. of the 8 bits in eachpair of digits, the leftmost is a p
convert the decimal +46 and +29 to binary, using the signed-2's-compliment representation and enough digits to accommodate the numbers. Then Perform the binary equivalentof (+29)+(-49), (-29)+(+49)
Calculate the line parameters R', L', G', and C' for a coaxial linewith an inner conductor diameter of .5 cm and an outer conductordiameter of 1 cm, filled with an insulating material where μ =&m
Find the Thevenin and Norton equivalent circuits for the circuit. Take care that you orient the polarity of the voltage sourceand the direction of the current source correctly relative toterminals a
It dispenses water and beer. Use 3 of the logic switches to simulate the coin detectors (one each for nickels, dimes and quarters) and use two of the indicator lights to simulate the dispenser valv
Consider a VLSI chip with 100,000 gates and 2000 flip flops. A combinational ATPG program produces 500 vectors to fully test thelogic. Find the minimum number of scan test cycles if 20 scanchains ar
What are the minimum and maximum values of capacitance that can be obtained by connecting 2 μF capacitors in series and/or parallel How should the capacitors be connected
A network has a 5 μF capacitance in series with the parallel combination of a 12 μF capacitance and a 8 μF capacitance. Sketch the circuit diagram and determine the equivalent capacitance o
In an amplifier circuit, why do we need to bias the MOSFET atan operating point What would happen if the signal peak amplitudewas smaller than 1 V, the transistor had Vto=1 V and we biased the trans
Draw a schematic diagramwith abattery and 2 loads R1 and R2 that are connected in parallel to each other. calculate the current flowing through each load if thebattery supplies9 v and r1 = 500ohms a
An 8 bit shaft encoder is used to give the rotary position of a robot arm. What is the shaft encoder's value just before, and just after, the arm sweeps past 90 degrees while moving clockwise What i
a network has a 5-muF capacitence in series with the parallel combination of a 12 mu-F capacitence and an 8mu-F capacitence. Sketch the circuit diagram and determine the equivalent capacitence of th
the specific heat of water is 4.18x10^3 J/kg(deg)C, so a mass ofwater M (in kilograms) heated by a power P (watts) undergoes a risein temp. at a rate given by: dT/dt = (2.39x10^-4 P)/(M) degrees C/s
Design a dc-coupled one-op-amp circuit that will amplify the -100 mV to +50mV input range to have the maximal gain possible without exceeding the typical guarantee linear output range.
A sinusoidal signal with frequency known to be less than 1 kHz is sampled at 600 Hz. and appears as a 150 Hz signal. The sample rate is changed to 550 Hz, and the apparent frequency of the sampled s
A 16-bit analog to digital converter is used in a system which is found to have a maximum signal-to-noise ratio of 84dB. What is the effective number of bits
This counter has an output"odd" whose value is 1 when the current count value isodd. Use the sequential design technique. Start from a state diagram, draw the state table, minimize the logic, and dr
What is the minimum resolution in bits which would be required for an ideal ADC to have a dynamic range of at least 64 dB