# circuits

169 results

### Science

What is the rule for combining resistors in series and parallel circuits( combination circuits)?

### physics

Given circuits for f and f−1, we can create classical reversible circuits Rf, R−1f, Rf−1, R−1f−1 which are shown in the following figure. (Assume that f is a bijection.)In what sequence shall we apply the above circuits in order to implement a ...

### science

how does an electric ciircuit work? Books have been written about electrical circuits, what kinds, specilized circuits, etc. You need to be a little more specific with your question.

### Statistics

An electronic product contains 32 integrated circuits. The probability that any integrated circuit is defective is 0.02, and the integrated circuits are independent. The product operates only if there are no defective integrated circuits. What is the probability that the ...

### electric circuit

Some types of fuses used to protect electric meters have resistances of several ohms. Is this objectionable (a) in ammeter circuits and (b) in voltmeter circuits? Why?

### physics

Design some simple digital circuits based on Boolean expressions. Draw circuits that implement the following Boolean expressions using some combination of AND, OR, NOT, NAND, and NOR gates. - NOT X OR NOT Y OR Z - X OR Y OR NOT Z - NOT X AND Y OR NOT Y AND Z Write a two to ...

### physics

The figure below shows three circuits, each consisting of a switch and two capacitors, initially charged as indicated. Let qL represent the charge on the left-hand capacitor in each circuit. The switches in all circuits are then closed.

### Circuits

In Circuits lab, we had to construct different types of operational amplifiers. The inverting and summing amplifiers produced similar output voltage to the calculated ones but were not negative. I was just wondering why they didn't reverse the sign in the experiment?

### Circuits

In Circuits lab, we had to construct different types of operational amplifiers. The inverting and summing amplifiers produced similar output voltage to the calculated ones but were not negative. I was just wondering why they didn't reverse the sign in the experiment?

### physics

for circuits with either an inductor or capacitor, the current gets out of phase with the voltage. for these circuits how are the frequencies of the current and voltage related?

### math

the formula a = 46c gives the floor area a in square meters that can be wired using circuits A.solves a = 46c for c b. if a room is 322 square meter, how many circuits are required to wire this room?

### MATH

Graph is a complete graph -it called K6- IT HAS 6 VETICES. also, every vertex is connected to every other vertex. a) how many possible Hamilton circuits ( say starting from A) including reversals, does the graph have? b) if we were to use the Brute Force algorithm to solve the...

### discrete math

Q: Consider a digital circuit that reads an n-bit input string and writes a 1bit output. Two circuits are considered different if they have a different output for some input string, otherwise they are considered the same (i.e. two circuits are considered the same if they have ...

### discrete math

Q: Consider a digital circuit that reads an n-bit input string and writes a 1bit output. Two circuits are considered different if they have a different output for some input string, otherwise they are considered the same (i.e. two circuits are considered the same if they have ...

### Physics- Circuits Current & Voltage Problem

Please find this question onto y a h o o s e a r c h e n g i n e b y c o p y & p a s t e. Determine... (a) the current in each resistor (Indicate the direction of the current flow through each resistor through the sign of your answer. Take upward current flow as positive.) (b...

### Discrete Mathematics

Consider the complete graph with 5 vertices, denoted by K5. A. Draw the graph. B. How many edges are in K5? How many edges are in Kn? C. Find an isomorphic representation (graph) of K5. Give the isomorphism mappings. D. Does K5 contain Eulerian circuits? (why?) If yes, draw ...

### Math!!

Christmas lights that stay on when one bulb burns out are wired as parallel circuits. Resistors can be used with parallel electrical circuits to restrict the current flow and produce heat. If the first resistor (R1) = 20 Ohms, the second resistor (R2) = 30 Ohms and the ...

### mathematica

Christmas lights that stay on when one bulb burns out are wired as parallel circuits. Resistors can be used with parallel electrical circuits to restrict the current flow and produce heat. If the first resistor (R1) = 20 Ohms, the second resistor (R2) = 30 Ohms and the ...

### math

A calculator requires a keystroke assembly and a logic circuit. Assume that 83% of the keystroke assemblies and 92% of the logic circuits are satisfactory. Find the probability that a finished calculator will be satisfactory. Assume independence of keystroke assemblies and ...

### math

A calculator requires a keystroke assembly and a logic circuit. Assume that 83% of the keystroke assemblies and 92% of the logic circuits are satisfactory. Find the probability that a finished calculator will be satisfactory. Assume independence of keystroke assemblies and ...

### science

what does p.c.b stand for when your working with circuits?

### Physics

How are series and parallel circuits wired?

### electricity

closed circuits allow current to flow. b b

### digital circuits & systems

Floating point representaction.

### physics

What are some examples of real resistors used in circuits?

### digital circuits & systems

Draw the architecture of a microprocessor and explain it.

### Science

Which of the following circuits will allow electric current to flow?

### Science - Electric Circuits

A __________is the flow of _________ along a path?

### Physics

How are lights in schools usually wired... Series or parallel circuits?

### digital circuits & systems

Explain the method of constructing karnaugh maps.

### Science

Can you advise me on how to draw electrical circuits for equipment in my room such as my tv and stereo. Thanks

### ET1210- Dc/Ac Circuits

When you know the wattage and applied voltage of a light bulb, determine its resistance

### about Engineering

Electronic and Communication Engineering is mainly Mathematical analysis, implemented in practical circuits. You have to understand higher forms of math, and think in those terms. You have to understand the imperfect models used for systems analysis. You have to understand the...

### Physics

Why is parallel circuit brighter compared to series? ( Only one bulb is present in both circuits) Thanks :)

### Electronics/Circuits

Just a simple one... which symbol should I use to represent a strain gauge on circuit diagram? Thanks

### circuits

in a parallel RLC circuit you have L=100mH and i= inductor current i=50e^(-4000t)-10e^(-5000t) mA how do you find R and C??

### Circuits/physics

For the element shown below, v(t)=1/2tVolts and i(t) = 12t-4t^2 Amps. (a) Find the instantaneous power p(t) as a function of time. + v(t) - |------| -----| |----- |------| i(t)----->

### Electrical Circuits

find the number of free electrons in a copper conductor having a diameter of 0.064 in. and a length of 1000ft.

### circuits

If a series RLC circuit has R = 25 ohm, XL = 50 ohms, and XC = 30 ohms, what will be the total impedance?

### Science(electric circuits)

What is the conclusion about current in a series electric circuit

### Science(electric circuits)

What is the conclusion about current in a parallel electric circuit

### Physics-Circuits

How does a circuit breaker work to protect against an overloaded circuit?

### circuits

Determine the gain in dB for a filter that has an output power of 4.9 W and an input power of 3.6 mW.

### College Physics

In ordinary laboratory circuits, charges uC (microcoulomb) and nC (nanocoulomb) range are common. How many excess electrons must you add to an object to give it a charge of (a) -2.50 uC (b) -2.50 nC.

### electrical

The minimum size of electrical cable recomended for use inpower circuits by the NEC in adomestic installation is

### Science(electric circuits)

What happaned in the series electric circuit with the one bulb disconnected?please Explain

### Science(electric circuits)

What is the conclusion about the potential difference(voltmeter readings) in a series electric circuit

### Science(electric circuits)

What is the conclusion about the potential difference(voltmeter readings) in a parallel electric circuit

### Resistance, Circuits

A PRT consists of 9.0 m of wire of diameter 8.0×10−2 mm. The voltmeter reads 0 V when l1 =0 .44m. If the standard resistor, R, has a resistance of 224Ω, what is the resistivity of platinum?

### Physics- Circuits

At time t=0, a potential difference of 475 V is applied to a coil with an inductance L=0.642 H and a resistance R=36 ohms. How long does it take to reach 20 percent of maximum energy in the inductor?

### French

how would you say "the wire through which the electric current flows." wouold it be, Le fils ca le courant electrique couler a travers. Load(as in electricity): A device that transforms electrical energy into other forms of energy. is it, "Charge: un appareil ca transformer l'...

### circuits

when a parallel 5k ohm resistor and a 25k ohm resistor have a 10v supply, what is the total power loss?

### science

There are three sources of resistance in a parallel circuit. Two of them are rated at 20 ohms, the other at 10 ohms. What is the circuits total resistance?

### CIRCUITS

three 20 kilo ohms Resistors R1, R2, and R3 are in Series across an applied voltage of 120 V. What is the voltage drop across each resistor.

### electronics and circuits

How many distinct boolean-valued functions are there of n boolean-valued signals? Write an expression in terms of n.

### digital circuits & systems

What do you mean by logic gates? Explain different types of logic gates.

### French/Science

I know i posted this already but no One really answered how would you say "the wire through which the electric current flows." wouold it be, Le fils ca le courant electrique couler a travers. Load(as in electricity): A device that transforms electrical energy into other forms ...

### Circuits

How do I design a low pass filter for an Fc = 4000 Hz and a high pass filter for Fc =2000 Hz?

### Digital Circuits

which is the primary purpose of a resistor in series with a led being driven by a flip-flop a. Limit voltage b. Limit current c. Limit speed d. Limit power

### circuits

A string of five series resistors is connected across a 20 v battery. Zero volts are measured across all the resistors except the second one. What can be wrong with this circuit?

### optical circuits

Two 1-km fibers are spliced together. Each fiber has a 5-dB loss, and the splice adds 1 dB of loss. If the power entering is 2 m W, then how much power is delivered to the end of this combined transmission line?

### Physics - Circuits

Theres a circuit wired in series that has 4 resistors. 1) 10 ohms 2) 6 ohms 3) 1 ohms 4) 2 ohms Find the potential difference across the 10ohm resistor. Answer in units of V What exactly am i supposed to do to calculate this?

### Circuits and electronics applications3

We are presented with a familiar first-order circuit: a capacitor driven by a Thevenin source. Now we have a sinusoidal drive that starts at t=0. so the differential equation is RCdv(t)dt+v(t)=vI(t)=Vicos(ωt)u(t) and we are given the initial state v(0−)=0. We know how to...

### Math, Circuits

A DC circuit to a specialized of 3000 ohms, a 500 ohms, and 10 000 ohms resistor in series. The series current is 15 mA. Find the Voltage drop across R1.

### Science

What are fuses and why do they come in different sizes? Fuses are devices placed in electrical circuits as protection for those circuits. They consist of small pieces of wire, sometime as ribbons, and are placed in series with the circuit so that the current passing through ...

### Physics URGENT

I did a lab on DC circuits, and we calculated the resistance of multiple resistors in parallel. Resistance of Resistor 1 & 2 = 1000 +/- 5% so R1 =1000+/- 50 R2= 1000 +/1 50 i need to calculate R using the equation... R= 1/R1 + 1/R2 I am confused as to what the uncertainty ...

### Math... with complex numbers

Complex numbers are often used when dealing with alternating current (AC) circuits. In the equation V = IZ, V is voltage, I is current, and Z is a value known as impedance. If V = 1+i and Z=2-$, find I.

### Electrical Circuits

A length of copper telephone line has a resistance of 24Ω at 20 degree Celsius. What it its resistance on a hot summer day when its temperature rises to 36 degree Celsius.

### circuits

a parallel RLC bandpass circuit with C=10nF and Q=10 has a center frequency of 500 krad/s. Find R,L and the two cutoff frequencies. Can you design this circuit using a cascade connection of two first-order filters separated by a follower?

### circuits

For the transfer function Tv(s)=[10(s+5)(s+20)]/[(s+1)(s+100)] is this a low-pass, high-pass, bandpass or bandstop function? estimate the corner frequency(ies) estimate the passband gain what is the output if v1(t)=10cos(1000t+45deg) V??

### college

A process for producing electronic circuits has achieved very high yield levels. An average of only 10 defective parts per million is currently produced. 1. What are the upper and lower control limits for a sample size of 100? 2. Recompute the upper and lower control limits ...

### Math

A process for producing electronic circuits has achieved very high yield levels. An average of only 10 defective parts per million is currently produced. 1. What are the upper and lower control limits for a sample size of 100? 2. Recompute the upper and lower control limits ...

### Introduction to Electricity and Circuits

A light bulb is wired in series with a 142 resistor, and they are connected across a 120 V source. The power delivered to the light bulb is 22.3 W. What are the two possible resistances of the light bulb?

### Circuits

I want to know why is it that a voltage in a capacitor cant change instantaneously and why the current in an inductor cant change instantaneously either. Also, a capacitor stores energy, like a battery, right? Why is it that it can't be used to power, say, and electric train ...

### Physics

Hey all. I have to find Thevenin’s UTHEV and RTHEV, which can replace the circuit found here: img24.imageshack.us/img24/1723/thevenin.jpg I can do it for small circuits, but this one confuses me a bit. Hope you can get me goig. Thank you very much.

### CIRCUITS

two resistors of 25 ohms and 5 ohms respectively are connected in series to a 240V supply calculate the value of a third resistor to be connected in parallel with 25 ohms resistor so that the power dissipated shall be tripled

### computers

which set of terms below correctly pairs a generation of computers with key innovation associated with it? a. 2nd generation/ intergrated circuits b. 3rd generation/programming languages c. 4th generation/ operating systems d. 5th generation/artificial intelligence

### ET1210-Dc/Ac Circuits

if a certain number of equal resistors are wired in series across a certain voltage source, determine how much voltage is across each resistors.

### Physical Science, ipc

Which can you do to reduce the power consumption in your home? ________________________________________ A. Add more circuit breakers. B. Wire more parallel circuits. C. Replace 75-watt light bulbs with 40-watt light bulbs.

### chemistry

Silicon for computer chips is grown in large cylinders called “boules” that are 300 mm in diameter and 2 m in length,as shown.(Figure 1) The density of silicon is 2.33 g/cm3. Silicon wafers for making integrated circuits are sliced from a 2.0 m boule and are typically 0.75...

### current physics

when dealing with circuits, and you say "the voltage across the battery" and "a current through the battery" what do the words across and through mean.

### Physics

Your lab partner says that a battery provides not a source of constant current, but a source of constant voltage. Do you agree or disagree and why? Also I am really confused with series and parallel circuits like when voltage, current, and resistance increase and decrease

### electronics and circuits

The circuit below contains two dependent sources: a voltage controlled voltage source and a voltage controlled current source. Figure 3-1 The circuit elements have the following values: Vin=15V, R1=0.5Ω, R2=1.5Ω, R3=5Ω, A=2V/V and B=1.5A/V.

### Circuits and electronics applications3

Suppose we have a circuit where the ratio of the complex amplitude of the particular integral to the amplitude of the driving sinusoid is VpVi=jωRC1+jωRC Given that R=0.82kΩ and C=10.0nF we will compute the magnitude and phase of this ratio for various frequencies. For ...

### Physics help please!

Hi all. I posted earlier but I'm still stuck on part of this problem. I thought that statements 2 and 3 were correct below. But I got the problem wrong. Any help would be great! Can the voltage across any of the three components in the R-L-C series circuit ever be larger than ...

### internationa business operations management

As the production manager for an electronic circuit company you have encountered the following situation. Part 1 A process for producing electronic circuits has achieved very high yield levels. An average of only 10 defective parts per million is currently produced. 1. What ...

### physics-series and parellel circuits

I'll try to explain the schmatic drawing... a 120V battery, total of 12A, leads into a 8ohm resistor (R1), then breaks off into two parallel lines, R2 and R3. the resistance is unknown in R2, and in R3 the resistance is 3 ohms. I need to find the Amperage in R1,R2 and R3 as ...

### Physics circuit help please!

Hi all. I posted earlier but I'm still stuck on part of this problem. I thought that statements 2 and 3 were correct below. But I got the problem wrong. Any help would be great! Can the voltage across any of the three components in the R-L-C series circuit ever be larger than ...

### Electricity and Electronics

A circuit contains twodevices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other devices is 4 ohms, the total resistance of the two devices is? 1/R = 1/R1 + 1/R2 You have R1 and R2. Solve for R. It will be less ...

### Physics

I am having some problems trying to figure this out. Series circuits I have a "d" battery, a battery holder, 3 different resistors, and a multimeter. How do I put the resistors into a series cicuit? And when I use the multimeter, does it need to be set on ohms or volts? Also, ...

### Science 8th Grade

Items of clothing rub against each other when they are in a clothes dryer. This can sometimes cause a person to feel a slight shock when he or she removes the clothes from the dryer. This is due to A. The dryer not being grounded B. Static Electricity **** C. Current caused by...

### physics, help with circuits please!

Can the voltage across any of the three components in the R-L-C series circuit ever be larger than the maximum voltage supplied by the AC source? That maximum voltage is 50 volts in this situation. Also, does Kirchoff's loop rule apply to this circuit? In other words, is the ...

### Physics

The following circuits represent a logarithm amplifier The output voltage for a log amp with a diode can be determined by the formula below Vout = -(.025V)ln(Vin/IR*R1) , the ln is the natural logarithm of a number. Calculate in a table and sketch the output voltage versus the...

### Math

The total resistance of two circuits in parallel is 15 ohms and one circuit has five times the resistance of the other, find the resistance of each circuit. Use 1/R=1/R1+1/R2. R1 and R2 are two individual resistances. a)Find the smaller resistance b)Find the larger resistance

### circuits

the zero input response of a series RLC circuit with R=80 ohms is V(c)=2e^(-2000t)cos(1000t)-4e^(-2000t)sin(1000t) V for t>0 if the initial conditions remain the same, what is the zero-input response when R=40 ohms

### chemistry

Silicon for computer chips is grown in large cylinders called “boules” that are 300 mm in diameter and 2 m in length,as shown.(Figure 1) The density of silicon is 2.33 g/cm3. Silicon wafers for making integrated circuits are sliced from a 2.0 m boule and are typically 0.75...

### Circuits and electronics applications3

Consider the second order low pass filter circuit shown below. The differential equation associated with the input voltage vi(t) and the output voltage vo(t) of this system can be written in the following form: A⋅d2vodt2+B⋅dvodt+C⋅vo=vi Where the coefficients A, B, and C...

### Physics

Two circuits (the figure below) are constructed using identical, ideal batteries (emf = E ) and identical lightbulbs (resistance = R). If each bulb in circuit 1 dissipates 4.00 W of power, how much power does each bulb in circuit 2 dissipate? Ignore changes in the resistance ...

### Physics- Circuits

In a series RCL circuit the generator is set to a frequency that is not the resonant frequency. This nonresonant frequency is such that the ratio of the inductive reactance to the capacitive reactance of the circuit is observed to be 5.53. The resonant frequency is 220 Hz. ...

### Electronics, Physics, Circuits

Help!! problem about capacitance and inductance... please help me... god bless u all... 1.) A capacitance of 2.0 micro-Farad with an initial charge Qo is switched into a series circuit consisting of a 10.0 ohms resistance. Find Qo if the energy dissipated in the resistance is ...### Pages

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