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Consider an electric circuit consisting of a parallel RC circuit,where the resistance R is one kilo-ohm and the capacitance is 100 micro farads. A current source Is(t) is applied in parallel to the resistor and the capacitor. The output of the circuit isthe voltage v(t) across the capacitor (and of course,simultaneously across the resistor).
Write the differential equation for this circuit that relates the input current Is(t) and the output voltage.
Point charges, each of value √(4πε0)C, are located at the vertices of an n-sided regular polygon circumscribed by a circle of radius a. Find the electric force on each charge for (a) n=3, (b) n=4, (c) & n=6.
Design a full subtractor, that is a circuit which computes a-b-c, where c is a borrow from the next less significant bit. (Hint: Denote the difference as d, and a borrow from the next more significant bit as p, then develop a truth table for the p..
How much resistance is required to limit the current to 3 mAif the potential drop across the resistor is 12V
Four 1/2 W resistors are in series: 49-ohm , 64-ohm,109-ohm , and 125-ohm . To what maximum value can the current be raised before the power rating ofone of the resistors is exceeded
A non-inverting operational amplifier circuit is constructed to have a gain of 100 with an input signal of 1 kHz. Would you expect the circuit to have the same gain with the input signal of 1 MHz
Design a low pass active filter circuit such that its roll off attenuates frequency components at 10 kHz or more by more than 10 dB. Also, it is desired to have the passband gain positive that does not deviate from 20 dB by more then 3 dB.
A He-Xe mixture containing 0.75 mole fraction of helium is used for cooling of electronics in an avionics application. At a temperature of 300 K and atmospheric pressure, calculate the mass fraction of helium and the mass density.
the hd cable signal send out is usually ranging between (1-25mv), with the frequency range from 1000Hz- 20Khz. An amplifier will gain 46 db will boost the signal before sending it through the cable connection.
A series circuit consists of a voltage source and four resistors (R1=1k-ohm; R2=30-ohm; R3=470-ohm; R4=2k-ohm). The resistor of 1k-ohm has a voltage of V1=3V across its terminals. a) Find the current out of the voltage source.
A three-phase 600VAC generator delivers 2000KVA at a lagging power factor of 81%. If the generator is 86% efficient how much horsepower is required to operate it If the generator outputs its rated voltage what would the line current
Design an two or three stage amplifier that :Operates from single supply of no more than +10 V, and consumes no more than 10 mA. Has an RIn = 50 Ohms w/in 10%. Has an ROut less than or equal to 1kOhms.
Determine the time of operation of 5A , 3 Seconds over current relay having a current setting of 150% and a time setting multiplier of 0.8 connected to supply circuit through a 500/5 current transformer when the circuit carries a fualt current ..
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