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Operational Amplifier question

An inverting amplifier has R2 (Rf) = 10kohms R1 (Rin) = 1kohm. An input signal of 3v is applied to the input V1. If +12v and -12v are used for the supply rails, what would the value of the signal at t

A.C. Circuit Equation (easy)

I have a C R L circuit and need to work out the value of the capacitor. I have Xc , the current of the circuit, the voltage across the capacitor, and the voltage supply is 100hz. I assume to work ou

Check Answer Please. Calculate capacity of a Reservoir.

Please check my answer.This is is for very important mark and I just need someone to double check the answer. Question - Calculate the capacity of a reservoir ( cylinder shape) if it is full...The he

Consider this rectifier circuit - What is the RMS voltage of Vs(t) in volts

Diagram is here: http://imageshack.us/photo/my-images/861… Consider the rectifier circuit in the diagram below with the following component values. R = 202 ohms Vs(t) = is an AC square wave of period

What length of copper wire, 0.462 in diameter, has a resistance of 1.00

Resistance (R) depends on the resistivity (rho) of the material, the length (L) and cross section area (A) of the wire as R= rho * L/A. use A= 1/4* pi* d^2= pi* r^2. where r=d/2= radius of the copp

Consider this rectifier circuit - What is the RMS voltage of Vs(t) in volts

Diagram is here: http://imageshack.us/photo/my-images/861… Consider the rectifier circuit in the diagram below with the following component values. R = 202 ohms Vs(t) = is an AC square wave of period

Question about electricity and Switches

If I have two switches that turn on/off one light, what will happen if they are switched at the same time?-The light will stay in the same state it was in before - if it was off, it will stay that way

Chemistry or Physics

I have to decide whether to take A.P. chemistry or A.P. Physics. If I want to pursue a career in materials science and engineering which would be more beneficial toward it being easier for me in colle

What are the applications of synchro transmitter

plz give more than 5 applications.... thanku-The synchro transmitter works together with a synchro receiver or other synchro components. Together the angular position of the the transmitter is repeate

What is a cheap, easy-to-use, programmable microcontroller to buy for a beginner

It really depends on your skill level, knowledge of programming languages and what you want to do with it. For an absolute beginner, Id recommend Basic Stamp. If you want something even easier, altho

Break even quantity when considering the choice of a CNC Lathe against a Centre Lathe

Not sure how to answer this question in a exam pastpaper, does anyone have a solution? The question is... What would be the break even quantity when considering the choice of a CNC Lathe against a C

Induction Motors help

A four-pole induction motor is delta connected and operates from a 440V, 60 Hz three phase supply with an efficiency of 96% and a power factor of 0.85. Ifthe motor shaft speed and shaft power are dete

Minimum number of D Flip Flops needed

Im given a state machine (6 states), 5 outputs, and 8 inputs. Now I have to answer what is the minimum number of D flip flops needed to implement the machine and why? Is there a technique to this? He

What is the by-product when producing energy from hydrogen

Its oxidised to give water so looks like a clean option.If burnt in air it can also produce nitrogen oxides; plus the PRODUCTION of the hydrogen is a very messy and polluting business - often from cra

Question related to circuits. help me

A 100 W bulb is connected in series with a room heater . What will happen if the bulb is replaced by a 40W bulb? (A) Heater output will increase (B) Heater output will decrease (C) Heater output wi
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