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For the network of given figure:
a. Write the equations necessary to solve for the branch currents.
b. By substitution of Kirchhoff's current law, reduce the set to three equations.
c. Rewrite the equations in a format that can be solved using third-order determinants.
d. Solve for the branch current through the resistor R3.
What is the difference between a D flip-flop and a J-K flip-flop How does the number of inputs affect the possible synchronous states of a flip-flop (Set, Reset, Hold, Toggle)
What effect would the signal source impedance have on the non-inverting amplifier?
500W lighting is connected in parallel with an inductive load. A clamp-on ammeter reveals a total circuit current of 7A. What is the inductance of the load connected in parallel with incandesent lights. Assume a voltage of 120v and 60hz.
An LED is connected to a 74LS244 in an active-LOW configuration. The key parameters for the 74Ls244 are IOH=-15 mA, IOL=20 mA, VOH =2.0V and Vol=0.5V. The LED has a voltage drop of 2.0V and an operating current of 15 mA.
Chelates are more stable than simple complexes? explain!
a signal alternates abruptly between -1V and +2V with a duty cycle d. sketch a waveform, and find its full cycle average if d=25%, 50%, 75% for what value of d is the full wave average 0
A single phase transformer has the following rating: 120 kVA, 2000 V/100 V, 60 Hz with 1000 primary turns. Determine: (a) the secondary turns (b) the rated primary and secondary currents (c) the maximum flux
What is the purpose of connecting a transistor and a capacitor together in one circuit and applying different frequencies
Control Systems and Laplace Transformations, What is the step response of a system whose transfer function has a zero at -1, a pole at -2 and a gain factor of 2?
A chopper controlled electric train is powered from a 1500 VDE supply. The power semi- conductor switch element has a minimum effectice ON time of 40 Ms. during starting and slow speed running, the output of the chopper has to go as low as 15 V.
A certain inverting amplifier has a closed-loop gain of 25. The op-amp has a open-loop gain of 100,000. If another op-amp with an open loop gain of 200,000 is substituted in the configuration, find the new closed-loop gain.
(a) From Figure, compute the length of time required for the average grain diameter to increase from 0.01 to 0.1 mm at 500oC for this brass material. (b) Repeat the calculation at 600°C.
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