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A certain 25-hp three-phase induction motor operates from a 440-V-rms (line-to-line) three-phase source and draws a line current of 35 A rms at a power factor of 83 percent lagging under rated full-load conditions. The full-load speed is 1750 rpm. Under no-load conditions, the speed is 1797 rpm, and the line current is 6.5A rms at a power factor of 30 percent lagging. Find the power loss and efficiency with full load, the input power with no load, and the speed regulation.
A LINEAR ONE-PORT IS MODELLED WITH A: 10V AT LOADRESISTANCE=10kilo ohm AND :0.5mA WITH LOAD RESISTANCE=100kiloohm. Find the equivalent resistance of the given one-port.
Two dc motors are compared. the first one is a 4hp dc motor which draws a current or 0.7A when the field is connected to a 150V source. the second, a 600 hp motor draws a field current of 5A when the field is connected to a 300V dc source.
We have a 15-V source and a load that absorbs power and requires a current varying between 0 and 100mA. The voltage across the load must remain between 4.7 and 5.0 V for all values of load current
What is the maximum value of N0 for an FM cell phone whereby ST=
Write a Matlab script to create a variable B containing 60 random numbers from 0 to 2. Next using a WHILE loop go through all 60 numbers and count the number of values of B that are below 1.4. Store this answer in the variable COUNT.
Let the component at Omega(C) = 2pi* 3000 be the corrupting signal. Design an appropriate lter to lter out this component of the input. You can use fir1 command for this. Plot the frequency response of this lter.
The voltage across a certain load is V = 1200√2
question an uncharged nonconductive hollow sphere of radius16.0cm surrounds a17.0microc charge located at the origin of
Design a synchronous sequential circuit with one input line and one output line that recognizes the input string x = 1111. The circuit is also required to recognize overlapping sequence such that if the input string is x = 1101111111010
a. Draw thee logic diagram of the circuit b. Determine the FSM type of this clocked Synchronous Sequential Machine c. list the state-table for the sequential circuit d. draw the corresponding state diagram
Assuming that the current through and inductor is i l(t) = 10exp(-t/3). Find at what time this current dropped by 50percent of its initial value.
Suppose we have a pn-junction that has been doped equally in the p and nregions with 10^16 atoms/cm3of boron and phosphorous, respectively. Assume ni = 10^10/cm3. What is the built-in voltage forthe junction
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