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1. |
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. | \[48\,\Omega \] |
D. | ? 0.01 A |
Answer» B. + 0.02 A | |