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An inverting amplifier is built using an opamp that has a 2V internal offset voltage. (You may consider the opamp ideal otherwise). The circuit uses a feed-back resistor of 2K and an input resistor of 1K. If a 2V input is given to the amplifier, what will be the input resistance seen by the 2V input source.
An amplifier output is being evaluated by a technician. The output is found to be a sine wave. The measured time lapse from one sine-wave peak to the next is 5 milliseconds.
A 110 V rms, 60 Hz source is applied to a load impedance Z. The apparent power entering the load is 120 VA at a lagging power factor of 0.707. Calculate the reactive power in the load.
A machine produces photo detectors in pairs. Tests show that the first photo detector is acceptable with probability 3/5. When the first photo detector is acceptable, the second photo detector is acceptable with probability 4/5.
A PWM unit is set-up with a pre-scale factor of 128. If the PWMPER register is loaded with 34 and the PWMDTY is loaded with 3, what are the resultant values for the output period and pulse width
What should the signal definitions be for the equations, such that the minimal about of hardware (gates) are used assuming we have an abundance of NAND gates Show the signals definitions and resulting circuitry.
A tow truck applies forces F1 and F2 to the bumper of an automobile where F1 is horizontal. Determine the magnitude of F2 that will provide a vertical resultant force, and determine the magnitude of this resultant.
A) What is the rms current in the circuit B) The primary side of the transformer has 20 times as many turns as the secondary side. What is the rms voltage across the primary side of the transformers
A 3 phase 50hz star connected motor has rotor resistance and stand still reactance of 0.025ohm and 0.35 ohm respectively. The full load slip is 5% calculate the resistance per phase of a star connected rheostat
You have a computer with a 1 GHz processor (that executes each instruction in one clock cycle) and a memory system that always takes 50ns to access one word. How long does it take to execute the instruction a = b + c
The minimum stopping distance for a car traveling at a speed of 30m/sand is 60 m including the distance traveled during the driver's reaction time of 0.53 s. What is the minimum stopping distance for the same car traveling
The distance between two stations in a 10 Mbps LAN using CSM/CD multiple access method is 2,000 meters. Station A sends a long frame first and three micro seconds later, C starts sending a long frame.
Three identical constant pitch thin helical coils (having a pitch 3mm, axial length 450mm and inner diameter 20mm) are positioned along a common axis. The axial distance between the first and the second is 55mm
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