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A businesswoman in Philadelphia is preparing an itinerary for a visit to six major cities. The distance traveled, and hence the cost of the trip, will depend on the order in which she plans her route.
a. How many different itineraries (and trip costs) are possible?
b. If the businesswoman randomly selects one of the possible itineraries and Denver and San Francisco are two of the cities that she plans to visit, what is the probability that she will visit Denver before San Francisco?
An op amp having a single pole roll-off at 100 Hz and a low frequency gain of 105 is operated in a feedback loop with ß= .01. what is the factor by which feedback shifts the pole. to what frequency. If ß is changed to a value that results in a clo..
Explain briefly why XL limits the amount of alternating current. Explain why XL increases with higher frequencies and more inductance. How might you use this fact in an application.
calculate the no-load current and power factor at normal operating voltage. Note that you should allow an additional 50 Ampere-Turns to compensate the increased reluctance of the magnetic path resulting from gaps between "E-" and "I-sections" of t..
which of the following relative pathname is interpreted as the rock.htm file is in the same folder as the current
A three-phase, 5 hp, 208 V, 60 Hz induction motor runs at 1746 rpmwhen it delivers rated output power. (a) Determine the number of poles of the machine. (b) Determine the slip at full load. (c) Determine the frequency of the rotor current.
The motor resistance is 0.5ohm and the magnetic circuit may be assumed unsaturated. What will be the speed if: (i) the load torque is increased by 44%, (ii) the motor current is 10A
An AC motor with impedance Z = 4.2 + j3.6 O is supplied by a 220 V, 60 Hz source. Determine the time average power delivered to the load.
we will weigh objects by a strain gauge or r 120omega gf 2.02 mounted on copper column of 6-in. diameter. find the
If one of the resistors in a parallel circuit were shorted, what would you expect to see happen and could a shorted component in a parallel circuit cause an open to occur elsewhere.
Why is the idea of using electronic cash still so popular despite the many failures in the last few years
write a program that would send out through the serial port an array of twenty bytes of data( need a FOR loop) stored in memory locations starting from 30H( must use a ponter) with even parity added as the ninth bit.( skip baud rate).
find the force between a charged circular loop of radius b and uniform charge density P l and a point charge Q located on the loop axis at a distance h from the plane of the loop. What is the force when h>>b, and when h=0
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