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Grade 12Discuss with colleagues and IITians

A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series with a resistance box and a 2 volt battery. If a potential difference of 100mV is balanced across the whole length of potentiometer wire, then the resistance introduced in the resistance will be

IramAnwar

7 Years agoGrade 12

2 Answers

Arun

Approved Tutor Answer7 Years ago

Dear student

I am getting my answer as 190 ohm.

please let me know if this is correct then I will share my solution.

Regards

Arun

IramAnwar

7 Years ago

yes sir that’s the correct answer .

i am getting my answer as 1900 ohm please help.

thankyou for your time.

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