- #1

MagLok

- 13

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Hello everyone. I have some brief questions about a simple circuits problem in my homework.

First off, here is the image of the circuit (sorry..drawn in MSPaint.) http://img211.imageshack.us/img211/3271/circuitgh9.jpg [Broken]

The Current Source = 0.5A

R1 = 5 Ohms

R2 = 25 Ohms

R3 = 10 Ohms

R4 = 50 Ohms

R5 = 5 Ohms

It asks to find the total resistance of resistors 2, 3, 4, and 5. I've done this by counting R2 as part of a series circuit, and figuring R3,R4, and R5 as a parallel.

So, 25 + (1/((1/10)+(1/50)+(1/5))) = 28.13 Ohms (assuming this is correct..)

Now it asks to find the Voltage drop across the current source..I'm not sure how to figure this since I don't have distance..

Next it asks to find voltage drop across resistor 1, How much power is dissipated by this resistor (V=I^2*R)...But once again...voltage drop?

And finally it asks for the voltage drop across R2,3,4,5...and once again, voltage drop?

I've read and re-read all of the notes taken in class, and have no idea how to figure voltage drop for this type of circuit, I checked out an Ugly book and the NEC book, but everything there is to do with voltage drop requires distance.

Thanks in advance,

-MagLok

First off, here is the image of the circuit (sorry..drawn in MSPaint.) http://img211.imageshack.us/img211/3271/circuitgh9.jpg [Broken]

The Current Source = 0.5A

R1 = 5 Ohms

R2 = 25 Ohms

R3 = 10 Ohms

R4 = 50 Ohms

R5 = 5 Ohms

It asks to find the total resistance of resistors 2, 3, 4, and 5. I've done this by counting R2 as part of a series circuit, and figuring R3,R4, and R5 as a parallel.

So, 25 + (1/((1/10)+(1/50)+(1/5))) = 28.13 Ohms (assuming this is correct..)

Now it asks to find the Voltage drop across the current source..I'm not sure how to figure this since I don't have distance..

Next it asks to find voltage drop across resistor 1, How much power is dissipated by this resistor (V=I^2*R)...But once again...voltage drop?

And finally it asks for the voltage drop across R2,3,4,5...and once again, voltage drop?

I've read and re-read all of the notes taken in class, and have no idea how to figure voltage drop for this type of circuit, I checked out an Ugly book and the NEC book, but everything there is to do with voltage drop requires distance.

Thanks in advance,

-MagLok

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