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A 1Ω resistance in series with an ammet...

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

A

`0.03 A`

B

3A

C

`1.3 A`

D

`0.3A`

Text Solution

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The correct Answer is:
A
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DC PANDEY ENGLISH-CURRENT ELECTRICITY-Medical entrances gallery
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