question_answer

An ammeter, suspected to give inaccurate reading, is connected in series with a silver voltameter. The ammeter indicates 0.54 A. A steady current passed for one hour deposits 2.0124 gm of silver. If the E.C.E. of silver is \[1.118\times {{10}^{-3}}\,gm{{C}^{-1}},\] then the error in ammeter reading is

A)            + 0.04 A                                  

B)            + 0.02 A                                  

C)            ? 0.03 A                                  

D)            ? 0.01 A