Qualification > Sciences

physics doubt

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sweetie:

--- Quote from: nid404 on April 29, 2010, 07:04:39 pm ---huh...how 2 and 1.??
please explain what you are trying to say

--- End quote ---
i meant why dont we consider the 2 resistors to the left of X( on the upper path) and the 1 resistor to the left of Y( the one on the lower path) ???

astarmathsandphysics:
for q 36 it is not the restance between X and Y
you have to find the voltage at each point - there is 4V accross each resistor
it goes 0 4 8 12
so if wires are connected at diff poiint they will be at diff voltages and there will be a potential difference

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