A) equal to \[5\Omega \]
B) greater than \[5\Omega \]
C) less than \[5\Omega \]
D) greater or less than \[5\Omega \]
Correct Answer: C
Solution :
(c) less than\[5\Omega \] It is given that ammeter is not ideal. \[\therefore \] Resistance of ammeter = r \[\Rightarrow V=lR\] \[\Rightarrow 20=4({{R}_{eq}})\] \[\Rightarrow {{R}_{eq}}=5\] \[\Rightarrow R+r=5\] \[\Rightarrow R<5\Omega \]
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