Electrical Engineering/equivalent resistance

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Question
circuit
circuit  
in the picture ,if we add 10 ohm and 8 ohm resistor(because they are in series),where the equivalent resistor(18 ohm) now will be,in place of 10 ohm or in place of 8 ohm?and why?
any general rule,example please :)

Answer
No, no, no.
The 10 ohm resistor is in series with those 4 resistors which are in parallel with each other.

You must calculate the equivalent resistance. I will not do it for you but when in parallel the equivalent will always be less than the smallest of the 4- which in this case is 2 ohms.

Got it?

We don't do homework but try to help you with sufficient information to help you do it on your own.

This problem is a simple parallel resistor problem which you should have known easily if you read your text material and listened well in class!  It is about as simple as they get. If you are having trouble with this one you'll have much more trouble as you get into advanced circuits!

All the best.  

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