question_answer

The reading of the ammeter as per figure shown is

A)                    \[\frac{1}{8}A\]

B)                    \[\frac{3}{4}A\]

C)                    \[\frac{1}{2}A\]

D)                    2 A

Correct Answer: B

Solution :

             Resistance across XY \[=\frac{2}{3}\Omega \] Total resistance \[=2+\frac{2}{3}=\frac{8}{3}\Omega \] Current through ammeter \[=\frac{2}{8/3}=\frac{6}{8}=\frac{3}{4}A\]