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A motor generates a CEMF at a rate of 0.4 V/100 rpm and has an armature resistance of 20 ?. Ten volts are applied to the (stopped) motor. Find the armature current just after the power is applied and when the speed is 1500 rpm.
If the semiconductor depicted in the graph below is germanium at room temperature, what is the value of n (the density of electrons in the conduction band) at x=L
An amplifier operating from a single 15-V supply provides a 12-V peak to peak sine wave signal to a 1-k ohm load and draws negligible input current from the signal source. The dc current drawn from the 15-V supply is 8mA.
Please see attachment for diagram. For this problem, we will assume a piecewise continuous nMOS model (as drawn above) in which ID=k(VGS-VTH)VDS in the Ohmic region
Cradle to death is a typical lifecycle for any given application. The useful life of a particular application will vary based on advancements in a given discipline. It is critical to continuously seek and identify new ways to adapt technology.
Develop the state diagram for a MOD-4 counter with an even number count sequence: 000, 010, 100, 110, 000, etc. All undefined states must return to 000.
A 4KHz audio signal is transmitted by using a PCM system and the quantization level, L is 256. Find transmission bit rate.
A uniform plane wave propogates in the positive z direction with a frequency of 20 MHz. A probe is at z=0 m measuring the phase to 98 degrees and another probe at z= 2 m measures the phase to be -15 degrees what is the relative dielectric constant..
Design and implement a vending machine (Moore FSM) with the following specification using VHDL. Accepts and returns only quarters Vends either Coke, or Pepsi, or a chocolate ba for a dollar Vends peanuts for 75 cents
A 2000 hp, 1.0 power factor three phase Y connected 2300V, 30 Pole, 60Hz; synchronous motor has a synchronous reactance of 1.95 ohms/phase. For this problem all losses may be neglected.
Name the basic techniques popular for ADC's, more specifically the quantization or digitization techniques. Mention the techniques in the order of slower to faster systems.
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
If an npn transistor is operating with the base transmitter junction forward biased and the base collector junction reverse biased. Given that the transistor has Ic=10mA and Ie=10.5 mA, determine the values of Ib,alpha and beta.
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