Problem on Ohm's Law

  • #1
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1

Homework Statement


In the circuit shown the value of I in ampere is
[img=http://s28.postimg.org/5adobnb95/Capture.jpg]

Homework Equations


## V = I R ##

The Attempt at a Solution


Leaving 4 ohm above resistor Equivalent R will be
##R_{eq} = \frac{4*4}{4+4} + 4 + 1.6 = 7.6##
##I = \frac{V}{R}##
## I = \frac{4}{7.6} = 0.526 ##
Ans is not given in the option please tell what I'm doing wrong
 

Answers and Replies

  • #2
Orodruin
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Why do you think you can ignore the top resistor?

Also, note that the middle contraption is two 4 ohm resistors in parallel with a wire of resistance zero ...
 

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