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A single-phase load is supplied with a sinusoidal voltagev(t) = 200 cos(377t)The resulting instantaneous power isp(t) = 800 + 1000 cos(754t ¡ 36:87±)(a) Find the complex power supplied to the load.(b) Find the instantaneous current i(t) and the rms value of the current supplied to the load.
What would be the initial value of v c (t) when switch is closed and determine the time constants in both cases (switch is open, switch is closed).
A square wave signal with voltage levels 0 volts and 2.0 volt at a frequency of 1.00 MHz is multiplied by a sine wave at a frequency of 5.0 MHz
What is the maximum symbol rate that the twisted pair line can carry without ISI? 256-QAM modulation is used on the link. How many bits are conveyed by each symbol?
n the conduction band of a semiconductor, it has a lower valley at the center of the Bril- louin zone, and six upper valleys at the zone boundary along [100]. If the effective mass for the lower valley is 0.1m0 and that for the upper valleys
A series type Ohmmeter uses a 50 ohm, 1mA PMMC the internal battery voltage is 3V the desired scale marking for half scale deflection is 2000 ohm. Calculate:- - Value of R1 & R2
Determine the standing wave pattern for the voltage in the line. Express the result in real insantaneous form and simplify
4.What is the fundamental benefit of PLC controls over manual controls 5.Describe the differences between the two methods of scanning during PLC logic solving. Which method holds the advantage over the other
A BJT has beta =100,mod Aie=10 at 10 MHz and it is operating at a collector current of 5 mA.If transition capacitance =10pf 1) calculate beta cutoff frequency of BJT,unity gain frequency and diffusion capacitance
Draw a circuit diagram to show how the CT, VT and meters are connected into the load circuit. Neglecting instrument and transformer errors, calculate the load kVA and power factor if the voltmeter, ammeter and wattmeter indicate values of 200 V, 2..
The current through a branch in a linear network is 2 A when the input source is 10 V. If the voltage is reduced to 1 V and the polarity is reversed, the current through the branch is a. - 2 A b. - 0.2 A c. 0.2 A
The motor driven by a switch-mode dc-dc converter, which has a bus voltage of 200V. The switching frequency fs = 25 kHz. Calculate and plot the waveforms for va(t), ea(t), ia(t), and id(t) under the following conditions
The space between the plates is then filled with a dielectric material, with dielectric constant k = 6.55. What must the magnitude of the charge in micro coulombs on each capacitor plate now be, to produce the same potential difference between the..
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