In the given diagram , the reading of the ammeter is (when the internal resistance is zero)

In the given diagram , the reading of the ammeter is (when the internal resistance is zero) a meter IS qwnen (3) 513 A lov 10/9A 10 V

The answer is 2 amperes.The 5 ohm resistance has the voltage of 10V.
I=V/R
  =10/5
  =2 Amperes   simple!!!
 
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what is internal resistance if its zero
 
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