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# Circuits

### current and voltage of the capacitor

Please answer #5 only. See attached file for full problem description. 7.2-5: The voltage, v(t), and the current, i(t), of a 1-F capacitor adhere to the passive convention. Also, v(0) = 0 V and i(0) = 0 A. (a) determine v(t) when i(t) = x(t), where x(t) is shown in Figure P 7.2-5 and i(t) has the units of A. (b) determ

### transient analysis of RC series circuit

The diagram shows a RC circuit with one battery of 100 V in series with a capacitor of 10.0 uF and one resistor. Initially, the switch S is open and the capacitor has no charge. Two (2) seconds later of closing the switch, the voltage through the resistor is 37 V. a. Find the value of the resistor R b. How much charge does

### Drug Addiction and Reward Circuits in the Brain

Presents the principles of drug action, and biological mechanisms involved in addiction to commonly abused psychoactive drugs. 1. Discuss the mechanisms of psychoactive drug action. 2. Identify the health hazards of commonly abused psychoactive drugs. 3. Explain the weight gain following smoking cessation.

### series RLC circuit...

I am having trouble with #27, I need a mapped out way to get the answers to match the back of the book. Note: you need to use the RLC circuit in # 14 (the one in the right column) to obtain the answers in#27 27. Consider the series RLC circuit of problem 14. The voltage amplitude of the source is 150 V. (a) At what angu

### Log regression for calculating elasticity

Use the dataset Laptop Prices to answer this question. The data has a list of Installed Memory, Hard Drive Size, Display Size, Weight and Price of laptops on certain selected days between November 2006 and January 2007. a. Regress Log Price on Log Installed Memory, Log Hard Drive Size, Log Display Size and Log Weight and Dummi

### Write an expression for the current through the inductor after the switch is thrown from position 1 to position 2 (RL circuit)

The circuit is in steady state. Based on the circuit elements shown, write an expression for the current through the inductor after the switch is thrown from position 1 to position 2. The circuit is a 30 Volt circuit, located on the left vertical side, followed on by a 6 ohm resistor, then the switch on the top horizontal line,

### Time constant for a circuit

3. What is the time constant for a circuit of 10 Volts, followed by a capacitor of 60 micro farads, a switch, then a 4k ohm resistor? 4. What is the time constant for a circuit of 5 Volts, followed by a switch, then a 3 ohm resistor, then a 4 mH inductor, then a 2 ohm resistor in parallel with the 3 ohm resistor?

### Circuit switched versus packet switched network

State in which situations a circuit switched network is better choice than a packet switched network and in which situation a packet switched network is better? Suppose a user shares an n Mbps link and this alternates between periods of activity (when the user generates data at a constant rate of m kbps) and periods of inactivit

### Circuit Switched Network TDM

A circuit switched network uses TDM with 12 slots and has a bit rate of 1.536Mbps. How long it takes to send a file of 320,000 bits from host A to host B. Suppose that it takes 500msec to establish an end to end circuit before host A can begin to transmit the file. Explain the answer.

### transfer function and cutoff frequency of the circuit

Please help me to find Vout/Vin and cutoff frequency of the circuit. Vout/Vin is also the transfer function of the circuit. The resistors values are 5k, 2.2k and 100 in case they are not clear. The capacitor is 15400uF. This is a lowpass filter. I need a step-by-step hand derived solution of Vout/Vin and cutoff frequency.

### Electrical/Current Flow Calculations

A typical 120-volt household circuit delivers 350 watts of power to an appliance, and another 10 watts of power are consumed by the circuit. There is no ground fault. a. How much current is carried by the hot wire? b. How much current is carried by the neutral? c. How much current is carried by the grounding conductor? d.

### Laplace Transform for a Periodic Function

Calculate and graph the output voltage in the RL circuit of the above circuit if: E(t) = 10 when t greater than or equal to 0 and less than 2 E(t) = 0 when t greater than or equal to 2 and less than 4 The current is initially 0 Period = 4 Graph the current for t greater than or equal to 0 and less than 8

### Please solve for the output voltage using LaPlace Transforms

Calculate the output voltage in the RL circuit of the above circuit if: E(t) = 0 when t greater than or equal to 0 and less than 5 E(t) = 2 when t greater than or equal to 5 The current is initially 0 See attached file for full problem description.

### node analysis of electric circuit

See attached file for full problem description. The circuit shown in Fig. P4.11 is a DC model of a residential power distribution circuit. a) Use the node-voltage method to find the branch currents i1 --i6. b) Test your solution for branch currents by showing that the total power dissipated equal to the total power develope

### Prove that state equations belong to the RLC circuit

See attached file for full problem description. Show that the state equations for this circuit are State Equations dq1(t)/dt = -(1/RC) * q1(t) - q2(t) + (1/C) * x(t) dq2(t)/dt = (1/LC) * q1(t)

### Circuit analysis: Steady State Values, Power and Energy

The following circuit is left operating for a long time, until it reaches a DC steady state. (see diagram in the attached file) a) Determine the DC steady state values for i1, i2, and v3. b) Determine how much power the 24 V voltage source is supplying. c) Calculate how much energy is stored in the 4 micro farad capacitor,

### Time response of the RC circuit for unit step input

(See attached file for full problem description) 15. Given zero initial conditions, use a Laplace transform table and the equation below to find the time response Vout(t) for a unit step input. 16. Demonstrate that your answer to question 15 satisfies the differential equation below:

### transfer function and unit setp response

(See attached file for full problem description) For the following RC circuit, A.) Using the knowledge that the Laplace transform of dX/dt is sX(s) and: dVout / dt = 1/RC (Vin - Vout) derive the Laplace transform of the above system, Vout(s)/Vin(s). B.) Using the knowledge that the Laplace transform for C is 1/(sC) and

### Physics

(See attached file for full problem description)

### Flip-Flop circuits

1. Design a flip-flop using NOR gates (and generate the truth table). 2, D-Type (clocked) flip-flop. After a clock pulse, the output is the same as the data line. This gives the truth table as follows: CLK D Q(tn+1) 0 x Q(tn) 1 1 1 1 0 0 Design a circuit for this flip-flop.

### Describe the marketing tools used in each section of the three web sites

Describe the marketing tools used in each section of the three web sites. Include an evaluation of the apparent customer service provided by each site. Please use these three websites in the electronic industry. Best Buy, Circuit City and Fry's.

9. In the circuit shown, the switch is open at first, so the nichrome wire is not in the circuit. The resistance of the wire is comparable to that of a light bulb. (a) When the switch is closed, what happens to the brightness of each bulb, A and B? (b) Suppose we now make the nichrome wire longer. How does the brightness of e

### Voltage Output Circuits

I need some help doing this review for my electronics course, please include steps and reasoning. 2. For the output voltage given below, sketch the output for both Circuits A and B? Note that the op-amps are powered by +/- 12V. See attached file for three graphs.

### Conductivity of Earth: Two hemispherical electrodes in earth.

Please see the attached file. 1. Two solid hemispherical conducting electrodes each of radius a are pressed into the earth, curved surfaces down, such that the flat surfaces are flush with the flat surface of the earth. Assume that the electrode separation (center to center) is d where d>>a. We wish to measure the electric

### Thevenin's and Norton's equivalent circuits of network

Find the Thevenin's and Norton's equivalent circuits of network in Fig. 4.6 (in attached file), excluding RL. Then, add RL = 1.2K and find IL and VL. See attached file for full problem description.

### Circuit with Potentiometer

Analyze the following circuit (in attached file) completely to find the loop currents and then the output voltage Vo across R4 with a potentiometer R3 of 1 k ohm. See attached file for full problem description.

### Rank the bulbs according to brightness.

Please see attached file for full problem description. 7. The circuit shown contains 6 identical bulbs. Rank the bulbs according to brightness, starting with the brightest bulb(s). If two or more bulbs have equal brightness, indicate with an "=" sign. 8. Same as above question, except with different circuit diagram.

### Relationships of current and voltage in parallel networks

Please help with 7.12, 7.14, 7.15 and 7.16. See attached file for full problem descriptions. 7.12) In this exercise we will express mathematically the relationships of current and voltage in parallel networks. 7.14) (A) Refer to the definitions for series and parallel connections of elements given in section 4, The defini

### Electrical Circuits with Bulbs

See attached file for full problem description. 1. In the circuit shown, the battery supplies 0.50 A of current. The current through bulb A is 0.15 A. Find the current through bulbs B and C. 2. In this circuit, the current through bulb A is 0.20 A, while that through bulb D is 0.35 A. All bulbs are identical. (A) For the s