In Figure 11 ammeters have negligible resistance and the cells are all identical.

      

In Figure 11 ammeters have negligible resistance and the cells are all identical.
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Show that all the ammeters A1, A2, A4 and A5 have the same reading.

  

Answers


John
Let A's represent current through the Ammeters

A1 + A2 = A3 But A1 = A2

So A1 = A2 = $\frac{1}{2}A_3$

Similarly A4 + A5 = A3

So that A4 = A5 = $\frac{1}{2}A_3$

So A1 = A2 = A4 = A5
johnmulu answered the question on May 23, 2017 at 08:00


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