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An inductor motor is connected to a 220 v ,60hz supply and drews 5.0A at 0.85 lag power factor. 1. what value of capacitor must be placed in parallel to improve power factor to unity?
What is the approximate discrete-time equation the models the continuous-time impulse response for fs=1kSa/s and RC=10^-2?How to solve this problem?
Determine the series resistance needed to convert a galvanometer to a voltmeter reading 15 V on full scale deflection if a current of 2.5mA causes full scale deflection and the resistance of the coil is 10.
An electric field in free space is E=(5z^2/e0)az V/m. Find the total charge contained within a cube, centered at the origin, of 4-m side length, in which all sides are parallel to coordinate axes (and therefore each side intersects an axis at +2 o..
Write a recursive function that given integer n, counts down from n to 1. When the count reaches 0,your function should also display "GO!" Write a recursive function that takes a character array and prints the array without the vowels.
A battery's lifetime was obtained as the time for the output to drop to 0.9 volt. The mean lifetime of these 152 batteries was 46.7 hours and the standard deviation was 13.3 hours. The industry standard for lifetime of such batteries is 45 hours.
Design a timing circuit which provides an output signal that stays on for exactly eight clock cycles. A start signal sends the output to the 1 state, and after eight clock cycles the signal returns to the 0 state.
a 10 hp, 230v , 1200 rpm dc series motor draws a current of 36 A when its under rated voltage at its rated speed Ra = 0.2 Rf = 0.1 a) find the speed of this motor when its taking a current of 24 A. b) determine the developed torque if this motor for..
A 16-bit analog to digital converter is used in a system which is found to have a maximum signal-to-noise ratio of 84dB. What is the effective number of bits
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
Why is the "drop out" current less than the "pick up " current in a relay and why is this an important and common feature in a relay
Received power of half-wave dipole antennas, Assume that two antennas are half-wave dipoles and each has a directive gain of 3dB. If the transmitted power is 1W and the two antennas are separated by a distance of 10 km, what is the received power?
Be sure to specify three things for each component: its digital frequency (a number between 0 and 0.5), its amplitude (in digital numbers, peak-to-peak), and its phase relative to the original analog signal (either 0 degrees or 180 degrees).
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