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A, 450 V, 60 Hz, 8 pole, 3-f induction motor runs at 873 rpm when driving a fan. The speed drops to 864 rpm when the motor reaches its final temperature. The increase in rotor resistance is
What are the significant differences in the way ammeters and voltmeters are connected?
Cellular telephony has forever changed the way people communicate with one another, being one of those exciting technologies that has directly and significantly influenced our everyday life. The characteristics of wireless signal changes as it tra..
Problem: This semester you will realize a Moore finite state machine for implementing the tail lights of a prototype car using four different design tools:
Construction of different types of power transformer, significant energy savings
estimate the rise in oxygen pressure in the enclosure if oxygen is pumped into it for 1 h by a potential difference of 1 V maintained between the disc faces.
the CMRR of a differential votage amplifier is specified as CMRR >10³, its voltage gain is G=50. the two input voltage have values v1=10.3 and v2=10.1.
An internally compensated op amp is specified to have an open-loop gain of 106dB and a unity-gain bandwidth of 3MHz. Find fb and the open-loop gain in dB at fb.
Using the program, show that VSB can be demodulated using carrier reinsertion.
a) If the internal resistance of a voltmeter is 100x bigger than the output impedance of a circuit, what is the loading error b) If the internal resistance of an ammeter is 10x smaller than the output impedance of a circuit
Consider a circular disk with radius R that has a uniformly distributed surface charge of Q.
Assume that the motor load is wyeconnected and that it draws a line current of 6 A. Calculate the pf of the motor and its phase impedance.
A 200 hp, 230 V, 500 rpm separately excited dc motor is controlled by a chopper. The chopper is connected to a bridge-diode rectifier supplied from a 230 V, 3 phase, 60 Hz ac main. The motor chopper details are as follows:
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