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A 10Ω resisitor is connected across a 120-V rms sinusoidal 60-Hz line. What value is the closest to the average current flowing in the resistor between t=0 and t=.0042 sec?
Calculate the frequencyto which the generated voltage drops before the steam flowcommences toincrease to meet the new load. The value of the stored energy forthe machine is5kW-sec per KVA of generator energy. Also calculate the value of Hconstant ..
The signal x(t) = sin(2pi(100)t),was sampling with sampling period T=1/400 second, 1- obtain a discrete time signal x(n) 2-what is the maximum sampling period which allows perfect reconstruction
A telephone line has the following parameters: R = 40 W/m, G = 400 mS/m, L = 0.2 mH/m, C = 0.5 nF/m. (a) If the line operates at 10 MHz, calculate the characteristic impedance Zo and velocity u,
A "Mealy" synchronous sequential circuit has one input X and one output Z. An output Z = 1 occurs every time the total number of 1's received is "divisible by 3" AND the total number of 0's received is an even number greater than zero.
A 3 phase, 2 winding, 230kv/115kV, delta-wye, 50MVAtransformer has a series impedance of (4.0 at angle 81 degrees) %and core losses of 1.0% at rated voltage. When the transformer issupplying a load of 40MW at a power factor of 0.80 lagging at rate..
A sphere has a radius d and contains a non-uniform charge density of Pv=Po(1-r/d) C/m^3. (a). What is the enclosed Charge for r d (c). What is the electric field for r
A sensor provides temperature data as 360 uV/C. Develop a comparator circuit that goes high when the temperature reaches 530 C
the input voltage to an op amp is a large voltage step. the output is a exponential waveform that changes 2.0V in 0.4us. what is the slew rate of the op amp.
A 15μF capacitor is connected to a 50 V battery andbecomes fully charged. The battery is removed and a slab ofdielectric that completely fills the space between the plates isinserted. If the dielectric has a dielectric constant of 5.0,
input voltage to an amplifier is: Vi(t)=0.1*cons(2000*pi*t+30) and the output voltage is: Vo(t)=10*sin(2000*pi*t+15) Find the complex voltage gain of the amplifier at f = 1kHz and express the magnitude of the gain in decibels.
A single phase AC circuit is conected to a 120V, 60Hz. The circuit impedance is Z=8+j6Ω at 60Hz. Calculate the rms phase current, real & reactive power and power factor.
In a typical AC circuit, the supply voltage is 10 VPK and frequency is 60 Hz. If the current through the system is 2 APK with a phase angle of 60o, then the power dissipated by the source is
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