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A step down transformer is supplied with 100 V on the primary, from a source capable of only 1 A. if the voltage on the secondary of the transformer is 20 V, what is the current available from the secondary?
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 series circuit has a resistance of 1 ohm and an inductance of 1 ohm. The voltage across the circuit has an amplitude of 15 volts and a phase shift of 30 degrees. What is the current of the circuit in frequency and time domain
Design an air-filled C-band (5-8 GHz) rectangular waveguide such that the center frequency of this band (f= 6 GHz) is at least 25% higher than the cutoff frequency of the TE10 mode and at least 25% lower than the cutoff frequency of the next highe..
define a one-dimensional potential well having energies U as a function of position x as follows: U=infinity for x= -1nm to x=0; U=0 eV for x=0 to x=5nm; U=10 eV for x=5nm to x=7nm; U=0 for x>7nm and x
Find the voltage drop Vab where a is the point (1,0,0) and b is (2,pi/2,1). In the the description of these points, the cylindrical coordinate notation (p,phi,z) is used, where dimensions are in [m] and angles are in radians. Voltage drop is path ..
(a) How much work is done by the electric field due to the sheet if a particle of charge q = +1.60 × 10-19 C is moved from the sheet to a point P at distance d = 3.38 cm from the sheet b) If the electric potential V is defined to be zero on the she..
A three-phase Wye connected generator has Egline = 12470 V, Rp = 1 ?, Xs = 11 ?, and a full load line current of 600 A. Calculate Vterminal at a load power factor of 0.85.
Find the density for germanium (Ge) semiconductor atoms give that its lattice constant a-5.66Å (Angstrom) and atomic weight is 72.59 g/mole.
A glass tube with a cross-sectional area of 9^-2 m^2 contains an ionizd gas. The densities are 10^15 positive ions/m^ and 10^11 free electrons/m^3. Under the influence of an applied voltage, the postive ions are moving.
Write the Boolean expression and draw the gate logic diagram and typical PLC ladder logic diagram for a control system wherein a fan is to run only when all of the conditions are met -Input A is OFF -Input B is ON or input C is ON, or both B and C ..
There are approximately 109 million TVs in the United States. Each uses, on average, 79 W of power and is turned on for 6.9 hours a day. If electrical energy costs 0.073 dollars per kWh, how much money is spent every day in keeping the TVs turned ..
A signal is quantized using PCM. The maximum signal to quantization noise ratio is 20dB. What is the number of uniform quantization levels needed
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