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A motor is connected to a 120 V rms, 60 Hz line. The motor is rated at 2 kVA and operates with a power factor of 0.8.
(a) Find the apparent and real power.
(b) What is the current flowing into the motor?
(c) Find the resistance R and inductance L of the motor.
What is a node based on electrical waves and physics and its difference with antinode.
determine the worst-case propagation delay for your combinational multiplier. You can assume that the delay through every full adder is tpd.
How much energy in Kilowatt hours is initially stored in the battery If the battery costs $75 and has a life 0f 300charge-discharge cycle, what is the cost of the energy in dollarsper kilowatt hour Neglect the cost of recharging the battery.
The Bandwidth of a broadband signal is 6 MHz and it's maximum frequency is 106Mhz. What is the most likely carrier frequency. WHich of the follwing is not a fundamental characteristics determines the effectiveness of a communication system.
a DC shunt machine ( 24kW, 240V, 1000 RPM) has Ra= .12 ohms, Nf= 600 turns/pol. The machine is operated as a seperately excited dc generator and is driven at 1000 RPM. When If = 1.8 amps the no load terminal voltage is 240V.
you are an electrician on the job. you have been given a multimeter that has the following AC voltage ranges: 30,60,and 150. the meter states that it has a resistance of 5000ohm/v. you need to be able to measure a voltage of 277 volts.
A factory is to be supplied with 408Y/277 3 phase, 4 wire electrical service. The total estimated single-phase load is 25 kW, at .9 lagging power factor. The total estimated three-phase load is 250 kW at .85 lagging power factor.
What is the maximum message bandwith for which the system operates satisfactorily? Determine the output signal to quantizing noise ratio when a full-load sinusoidal modulating wave of frequency 1 MHz is applied to the input.
Find two designs using open-circuited stubs.
In the presentation, "IT and Smart Grid" the presenter, Dr. Peter Will, provided several definitions of "smart-grid". Provide your definition of smart-grid the way you understand it. What are some of the benefits of "smart grid" application
In actual electronic work, capacitances range from 30 picofarads, to 60 microfarads, to 5 farads. Assuming that each of these capacitances is charged to five volts, find for each a) the stored charge in coulombs
The penalty for main memory access is 100 clock periods for both data and instructions. The probability of an instruction cache miss is 2%. The probability of a data cache read miss is 5%. The data cache has a write-back
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