AP and TS EAMCET Medical Model Paper 5

Question : 111 of 160

Marks: +1, -0

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