1 ohm resistance is in series with an Ammeter which is balanced by 75 cm of potentiometer wire. A standard cell of 1.02 V is balanced by 50 cm. The ammeter shows a reading of 1.5 A. The error in the ammeter reading is
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1 ohm resistance is in series with an Ammeter which is balanced by 75 cm of potentiometer wire. A standard cell of 1.02 V is balanced by 50 cm. The ammeter shows a reading of 1.5 A. The error in the ammeter reading is