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A permanent magnet commutator motor produces a torque of8 N. m with armature current = 10A. armature R=.16 ohms. if motordrives a load requiring torque of 20 N. m at speed = 1800rpm
Design a passive low-filter using resistors and a 100uF capacitor that will have a passband gain of 0.8 and a cutoff frequency of10000 HZ.
if input variables have more 1's than 0's, a majority function isgenerated in combinational logic circuits with an output equal to1. otherwise the output is equal to 0.design three input majority fu
Assume that you wish to connect an 8[ohm]speaker to an amplifier using an ideal transformer. The amplifier has a Thévenin voltage of 25[Vrms], and aThévenin resistance of 0.275[ohm]. F
build a solar power system that is used for aresidential application and demonstrate in front of my class. Here are the components used in this system: Solar panel,solar charge controller, 12 V lead
What is the election current in a 2 mm diameter copper wire if the electron drift speed is 1 x 10^-4 m/s. express in coloumbs per second and amperes
if maximum frequency audible to a human ear is 20,000 Hz, at what rate must the analog signal from a microphone be sampled when converting it to digital
A complex number with a phase between 90° and 180°(in the 2nd quadrant) is added to a second complexnumber with a phase between -90° and -180° (inthe 3rd quadrant). What is the sign
Calculate the load voltage, the load power, and the efficiency of the transmission system under the following schemes. a. 4:1 transformer at generator b. 4:1 transformer to load c. 1:4 transformer a
The load draws 1.2 pu current at 0.6 puvoltage while drawing 0.5 pu (true) power. If the base volageis 20 kV and the base current is 160 A, calculate the power factor and the ohmic value of the resi
A wattmeter connected to a 240-volt 60 Hz series RL circuitindicates a reading of 691 watts. A clamp-on ammeter used to measure current flow indicates a current of 4.8 A.
Assuming unity power factor, determine the full load currentsin the primary and secondary windings At full load, determine the power losses in the primarysecondary resistances. If the input power to t
a fully loaded 100 hp induction motor operates at 85% efficiencyfrom a 450 v line.if the power factor is 0.65 lagging.what currentdoes that the motor drawn. if the power factor is 0.9 lagginginstead
Many automobiles are equipped with windshield wipers that can operate intermittently during a light rainfall. How does the operation ofsuch wipers depend on the charging and discharging of a capacit
lets suppose there are two capacitors of same capacitance and they are connected separately to there own battries now we joined both the capacitors togathers and are connectd to the battery with wir
A step-down transformer has a120V rms primary voltage applied and a 12V rms voltage is measuredat the secondary. Assuming the transformer can be considered ideal, determine the turns ratio, n.
Two wires - A and B - with circular cross-sections have identical lengths and are made of the same material. Yet, wire A has four times the resistance of wire B. How many times greater is the diamet
A parallel-plate capacitor is charged by a battery, and the battery is then disconnected from the capacitor. Because the charges on the capacitor plates are opposite in sign,they attract each other.
How should three capacitors and two batteries be connected so that the capacitors will store the maximum possible energy
Given that the required transmission time for a block of data of length 64kilobits to be transmitted error-free is 6 seconds and that the receiver has a bandwidth of 20kHz, what is required SNR of t
An two engine plan is capable of flying as long as one engine isrunning. Let the right and left engines be X and Y random variables that are independent. Denote the densities for Xand Y as fX and fY
An AC voltage of 240 volts at frequency of 60 Hz is applied to a 50- μF capactor. Determine the amount of AC current flow in the circuit.
An AC voltage of 240 volts with frequency of 60 Hz is applied to 0.5-H inductor. Assuming that the inductor was pure of ideal (no resistance; inductive reactance only), how much current would flow
Assume a thermocouple generates a linear voltage from 20 mV to 50 mV when the temperature changes from 750 degrees F to 1250 degrees F. How much voltage will be generated when the temperature of the
Suppose a uniform magnetic field exists ina finite regionof space. Can a charged particle be injected into this region from the outside and remain trapped in the region by magnetic force alone