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A 1000KVA transformer is at full load with a 0.5 lagging powerfactor. If the line voltage is 500 volts at 60Hz. Find the New Volt-Ampere quanties needed to improve the power factor to 0.95 byadding capacitors in parrallel with the transformer.
A disk drive has a constant failure rate and an MTTF of 4,000 hr. What will the probability of failure be for 2-year of operation
The density of electrons and the electron mobility in the graphene sheet are NI = 5 x 10^12 cm-2 and µ0 = 20,000 cm2/Vs, respectively. a) Determine the sheet resistance of this graphene film.
1. Given R = 50Kohm and C = 100nF what is the frequency of oscillation 2. Given a required frequency of oscillation of f = 10kHz and R = 8kohm, what should the value of C be Calculate the signal to noise ratio given RMS Noise Voltage = 20mV and RMS S..
A rod on the surfaceof Jupiter's moon Callisto has a volume of 0.3 cubic meters. Write a MATLAB program that will determine the weight of the rod in units of pounds-force. The specific gravity is 4.7 Gravitiational acceleration on Callisto is 1.25..
Allocate this block to 3 different customers. Customer 1 requires a block at least 10 addresses, customer 2 requires 254 addresses, customer 3 requires 2 addresses. Give a possible allocation of these subnets using the CIDR prefix notation.
Scientists have proposed using the radiation pressure of sunlight for travel to other planets in the Solar System. If the intensity of the electromagnetic radiation produced by the Sun is about 1.4 kW/m2 near the Earth
Calculate: i. The A, B, C, D constants of the line. ii. The characteristic impedance of the line. iii. The sending-end voltage iv. The sending-end current. v. The sending-end power factor. vi. The sending-end power. vii. The power loss in the line..
A point charge of 20nC is located at (4,-1,3), and a uniform line charge of -25 nC/m lies along the intersection of the planes x=-4 and z-6. a) calculate D at (3,-1,0). B)how much electric flux leaves the surface of a sphere of radius 5 ,centered a..
A HCS12 ATD is set to 10-bit unsigned mode. The voltage references are set to ground and 1.0V What is the ADT output for a temperature of 81 degrees The temperature sensor measures 0 to 100 degrees with an output of 10 mV/degree.
An amplifier with a voltage gain of +40 dB, an input resistance of 10 kO, and an output resistance of 1 kO is used to drive a 1-kO load. What is the value of Avo Find the value of power gain in dB
(a)using 4 rectangles find the area of the region bounded by f(x)=x^2 +1, the axis from x=0 to x=2,(b) solve part (a) using n rectangles and the limit process as n -> infinity.
A circuit is needed to divide a 10 Hz signal down to 1 Hz. using only a 7493 4 bit counter produce a logig diagram for both designs , hook the clock input to a 10 Hz clock on the logic designer and hook the output clock to an LED.
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