### Circuit variable problem

One method of checking calculations in volving interconnected circuit elements is to see that the total power delivered equals the total power absorbed... Please see attached.

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One method of checking calculations in volving interconnected circuit elements is to see that the total power delivered equals the total power absorbed... Please see attached.

The voltage and current at the terminals of the circuit elements in Fig 1.5 are zero for t<0 nad t<40s. In the interval between 4 and 40s the expressions are: (a) At what instant of time is the power being delivered to the circuit element maximum? (b) What is the power at the time found in part (a) (c) At what instant of t

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In the following circuit find Ix and Iy by replacing the transformer and load at points x, x with the transformer load impedance.

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Consider the following circuit. As shown, lossy current source drives 1Kohm load by means of a voltage divider circuit. It is desired to have 5mA flow through the load. R1 and R2 can be assigned any value. Part One: What is the smallest value that R2 can have? Part Two: What is the largest value that R1 can have?

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How would I find the equivalent resistance R_ab of the following circuit?

How do I find Vx, I, and I2 for the following circuit?

17. A recent annual report issued by Circuit City revealed the attached data. The Company's income statement reported total annual revenue of $12.96 billion, and net income for the year of $161 million. Instructions: a. Evaluate Circuit City's profitability by computing its net income percentage and it retu

Suppose that you have a 6.0 V battery and you wish to apply a voltage of only 4.0 V. Given an unlimited supply of 1.0 Ώ resistors, how could you connect them so as to make a "voltage divider" that produced a 4.0 V output for a 6.0 V input?

A 120 V house circuit (parallel) has the following bulbs and appliances turned on: 25 W, 40 W, 60 W, 900 W and 75 W. Find the equivalent resistance of these bulbs and appliances.

Prove that the circuit will give a weighted sum of the two voltages V1 and V2.

Approach to the problems and reasoning.

The equivalent circuit of Figure P3.57 has Vt = 35 V and Rt = 600 ohms. If the conditions for maximum power transfer exist, determine the value of RL, power of RL, and efficiency of the circuit. See diagram in attached file.

Using mesh analysis, find the voltage gain Av = V2/V1 in the circuit. See attached file for full problem description.

Three zones of a single-phase circuit are identified in the figure attached. The zones are connected by two transformers T1 and T2, whose ratings are also shown in the same figure. Using base values of 20kVA and 115 volts in zone-3 calculate the per-unit impedances. Neglect the transformer winding resistances and the shunt admit

A speech scrambler transforms low frequency to high frequency components and vice versa so that a baseband signal of bandwidth B is transformed to another baseband signal of the same bandwidth and a components at the frequency f is transformed into a component at the frequency B-f, where B is the bandwidth of the signal. An exam

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In a certain application the following circuit serves as a fault tolerant volume control. What value must the potentiometer (P) be in order for the total resistance to be 50ohms?

The following design problem concerning implementation of virtual circuit service. If virtual circuits are used internal to the subnet, each data packet must have a 3-byte header, and each router must tie up 8 bytes of storage for circuit identification. If datagrams are used internally, 15-byte headers are needed, but no router

A 100 kVA, 60 Hz, 7200/480 V, single-phase transformer has the following parameters (all expressed in ohms): RHV = 3.06 RLV = 0.014 XHV = 6.05 XLV = 0.027 Xm,HV = 17,809 Re,HV = 71,400 The transformer supplies a load that draws rated current at 0.75 power factor lagging at 480 V at the load. Sketch the approximate eq

I need to find the voltmeter reading and how to deal with 2 power sources Is this going into Thevenins or Kirchoff's? (Please see the attachment.)

1. A series RL circuit containing a 0.17-H inductor has a time constant of 0.13 s. What is the resistance in the circuit? 2. A 1000-ohm's resistor is joined in series with a 400-mH inductance and a 12-V battery. (a) What is the time constant of the circuit? (b) How long will it take after the circuit is completed for voltage

Why and how does charge flow from one capacitor to another capacitor when the two are connected to each other by a conducting wire? I am not able to understand that; why and how does negative charge flow from a capacitor having lower potential difference between its plates to a capacitor having higher potential difference betwe

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Please refer to the attached file. How much should damping ( ) affect the result of the angular frequency for impulse response? (see attachment) In equation XVI.5, the details of the differentiation of I(t) are omitted. Take the derivative of I(t) and explicitly show how the voltage across the inductor L varies with time.