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Engineering - October 2007

[Selected]: All categories Science & Mathematics Engineering

For a given linear circuit, the output voltage is 5V when an input voltage of 20V is applied to the circuit. What is the output voltage if 16V is applied to the circuit?

A. 20V
B. 4V
C. Must use Kirchhoff's laws to determine.
D. 8V

2007-10-10 09:10:06 · 8 answers · asked by humphrad 1

i was wondering how the use of aluminum is important for glass bulding construction and what type of machine is needed to make the aluminum sutable for such purpose

2007-10-10 07:46:29 · 1 answers · asked by Mr diplomat 1

gas in a piston-cylinder assembly with initial volume 100cm^3 is compressed from 1 atm to 2atm. If the process happens at constant temperature, what is the work involved in the process?

i think there is no work involved since T is constant. but i'm not sure. please help!

2007-10-10 07:21:05 · 6 answers · asked by Effrem 1

A capacitor of capacitance C=10-6 F is discharged through the resistor of resistance
R=10 Ohm. (Switch is closed at t=0) When the energy stored in the capacitor will be half
of its initial value?

2007-10-10 07:16:51 · 3 answers · asked by Anonymous

using a cross between Radar and global positioning sattelite. to make the flatter objects glow using vertical beams. do you think hes onto something. if it dont get into enemy hands?

2007-10-10 06:22:29 · 3 answers · asked by Anonymous

what should i do if dont have? please help! thanks!

2007-10-10 05:38:23 · 7 answers · asked by Aaron A 3

I've never seen a bird get fried on a pylon; infact I've never seen a bird on a pylon. Do the RSPB make all birds watch pylon safety videos?

2007-10-10 05:34:24 · 16 answers · asked by loathsomedog 3

2007-10-10 05:18:06 · 3 answers · asked by devidasbhonde 2

i've heard it a lot while learning PLC,but still i don't know what it means.
Would you pls help me? Thanks.

2007-10-10 04:54:00 · 2 answers · asked by Sasha.G 1

I have a 30mw green laser pointer.. Does anyone know how do I increase the power of it? I was told I have to heat the diode to modify the crystal from round to oval shape.. is it correct?

2007-10-10 03:30:17 · 3 answers · asked by peterpan 1

i have a print wich needs modernising, how does smd ans transistors work and how do i confine transistors in a smaal space without going to hot, aka cooling

2007-10-10 03:16:22 · 4 answers · asked by Honey006_sara 1

We are college students in the Philippines currently taking up electronics and communications engineering. Our thesis is about "PC-Based Real-Time Vehicle Tracking using GPS-Aided Inertial Navigation System". We totally have no background on this topic. Your help would be very much appreciated. Thanks

2007-10-10 03:12:50 · 1 answers · asked by eco 1

I have spent all my working life in engineering + some involvement in construction and timber industries.The cm is not used as a unit of measurement by any, it is considered an unfriendly unit ,therefore everything is dimensioned in M or mm. yet all I see & hear is cm this cm that

2007-10-10 00:32:25 · 10 answers · asked by Anonymous

A 100µF capacitor is connected in turn to two different sinusoidal voltages of the same amplitude V=1.0V but different frequencies with f1 = 50Hz and f2 = 5kHz.

(i) Calculate the reactances X1 and X2.
(ii) By what factor is X1 greater then X2?
(iii) Calculate the amplitudes of the associated currents, I1 and I2.

2007-10-09 20:27:48 · 1 answers · asked by cruiserhj60 1

When you move from 4 to 2 ohms does the power double?

2007-10-09 18:47:30 · 2 answers · asked by circle_of_ash 1

and why does carrier does not contain any information even though its amplitude is modulated in accordance of that of the modulating signal.

2007-10-09 17:22:10 · 2 answers · asked by Anonymous

2007-10-09 15:21:50 · 3 answers · asked by lil Konvict 4

i am applying for a position of a waterwaste utility mantenance worker and i need to know about the job

2007-10-09 14:45:18 · 3 answers · asked by kuyang 1

2007-10-09 14:04:29 · 2 answers · asked by Day-Z 1

Has anyone ever invented anything that collects water from air? Is there such a concept? Anything?

I was thinking that a device that does just that would make it easier to live in places like the Sahara desert. Correct? Or is there water to be collected from the Saharan air?

2007-10-09 13:35:51 · 7 answers · asked by davnic017 2

2007-10-09 13:28:47 · 5 answers · asked by Anonymous

heat transfer in integrated circuits by convetion, conduction and radiation.

2007-10-09 12:09:32 · 1 answers · asked by carlo s 1

2007-10-09 08:50:26 · 9 answers · asked by AngolianSientist 1

2007-10-09 06:54:03 · 6 answers · asked by pavvsk 1

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