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Two amplifiers are cascaded. The first has supply power of 2W, an input resistance of 1 M Ω, and an input voltage of 2 mV rms. The second has a supply power of 22 W, a load resistance of 8Ω, and output voltage of 12V rms. Determine the overall power gain, dissipated power, and efficiency.
what is the minimum number of bits required to represent each of the following decimal numbers 10 1000 100000 and
Let X(e^jw) denote the DTFT of a real sequence x[n]. Define Y(e^jw)=1/2{X(e^jw/2)+X(-e^jw/2)} Determine the inverse DTFT y[n] of Y(e^jw).
If point charges of value +2[nC] are located at the pointsP1(2,2,-1)[m]and P2(1,-2,1)[m],respectively, find the voltage Vab betweenpoints Pa(2,3,1)[m] and Pb(-1,2,2)[m] by using superposition principle and the potential expression for point charge..
Two charged particles, Q1 = +5.50 nC and Q2 = -3.40 nC, are separated by 39.0 cm. (a) What is the electrical potential energy of the pair (b) What is the electric potential at a point midway between the charged particles
A person shuffling across a dry carpet can be approximately modeled as a charged 100-pF capacitance with one end grounded. If the person touches a grounded metallic object such as a water faucet, the capacitance is discharged
A 3 phase Y connected alternator is rated at 1600 KVA, 13500 V. The armature resistance and synchronous reactance are 1.5 ohms and 30 ohms respectively. Calculate the % voltage regulation for a load of 1280 KW at 0.8 leading power factor.
a) Consider an n-p-n transistor whose base emitted drop is0.76 at a collector current of 10mA, What current will it conductat Vbe=0.70V. What is the base emitted voltage for ic=10microampere. b)A CE amplifier uses a BJT with B=100, Va=50V, biased a..
how to fully size voltage divider vdd-middle point between the triodesaturation diode-gnd consistent of several pmos
A particle travels along the x-axis with postion ( measured in meters ) as a function of time ( measured in seconds ): x(t) = 5t^2-7t+2. (a) At what time or times is the particle at rest
Define briefly the fault level of a system or unit in a system - base MVA and draw the individual and combined impedance
A 100 hp, 16 pole, 460V, three phase, 60hz induction motor has a slip of 2.4 percent when running at rated conditions. Determine (a) synchronous speed; (b) rotor speed (c) rotor frequency.
Explain the Configurations and Characteristics Of Distribution Substations with Figures showing small, medium, and large substations .
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