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A certain parallel-plate capacitor, which has one plate rotating so the overlap of the plates is a function of time, has a capacitance given by C = 200 + 50 sin(5000t) pF in which the argument of the cosine function is in radians. A constant voltage of 50V is applied to this capacitor. Determine the current as a function of time.
The motor draws a current of 20 A at givenload. Armature resistance method of speed control is employed tocontrol the speed of the motor. Calculate (a)the resistance that should be added to the armature circuit toreduce the speed by 40%
Assume that you have a CMOS inverter with a perfectly symmetric voltage transfer curve (VTC). What will happen to the VTC if you size down the NMOS transistor
A second-order bandstop filter is required to satisfy the following specifications: fs= 8,000 Hz f0= 60 Hz bandwidth= 40 Hz Find the transfer function and difference equation by the pole- zero placement method.
A mote draws an average of 200mA when "awake", 0.1mA when "sleeping", and 400mA (total) when "transmitting". Transmitting data takes 2ms, and sensor acquisition takes 1ms. If the maximum size battery available is 5000mAh
Design a simple current divider that will reduce the current provided to a 1k Ohm load to 20% of that available from the source.
A low pass filter has a cut-off frequency of 8 kHz and a high pass filter has a cut-off frequency of 5 kHz. These two circuits are connected back to back in cascade to form an input-output system. How does this combination work, band pass or band ..
Consider the PMOS transistor with μpCox = 50 μA/V2, |Vt| = 0.6V, and W/L = 2, Determine the region that the transistor is operating on AND the drain current when
A)What is the standard frequency of the AC voltage generatedand distributed by an electrical utility. B)Explain the function of the prime mover in the generating process.
The flip-flop input excitation equations are as follows: JA=XQ'B; KA=X'; JB=XQA; KB=X'Q'A The output equation: Z=XQAQB 1. Draw the circuit diagram 2. Obtain and simplify the flip-flop characteristic equations 3. Obtain the state table
For the circuit below, when R1 = 1KΩ, R2= 2KΩ, RL = 4KΩ, and gm = 1 mA/V, what is the voltage gain vo/vsig ?
Two Random variables have a joint probability distribution function defined by F(x,y)=0 X 1y>1 A). Sketch this distribution function. B). Find the joint probability density function and sketch it.
A state government is considering construction of a flood control dike having a life span of 15 years. History indicates that a flood occurs every 5 years, on average, and causes $600,000 in damages on each occasion.
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