The reading of the ammeter as per figure shown is

Options

A. `(1)/(8) A`
B. `(3)/(4) A`
C. `(1)/(2) A`
D. `2 A`

Answer

B

Explanation

(b) Resistance across `XY = (2)/(3) Omega`
Total resistance
`= 2 (2)/(3) = (8)/(3) Omega`
Current through ammeter
`= (2)/(8//3) = (6)/(8) = (3)/(4) A`