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Abhiram Nair from KENDRIYA VIDYALAYA , asked a question
Subject: Science , asked on 6/4/14

Name a device that helps to maintain a potential difference across a conductor?

EXPERT ANSWER

Priya Singh ,Meritnation Expert added an answer
Answered on 7/4/14
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Prashant Agarwal , From Kendriya Vidyalaya No.1, Bajaj Nagar , added an answer
Answered on 31/7/09

Voltmeter help in maintaining a potiential difference across a conductor.

Hrithvick Giri , From D A V Boys Senior Sec School , added an answer
Answered on 9/8/09

battery helps n maintaing d potential difference.

a voltmeter is used to measure d potential diference n a circuit

Sonali Singh , From Dav Ambuja Vidya Niketan , added an answer
Answered on 20/9/09

VOLTMETER

Ananya Khajuria , From Delhi Public School , added an answer
Answered on 4/6/10

 but voltmeter is used to measure the potential difference acrosss the two ends of the conductor

Himanshu Singh , From Delhi Public School,bharatpur , added an answer
Answered on 5/7/11

 guys............battery helps in maintaining the potential difference and ur loving volt meter is used to measure it.............

Ashok Rastogi , From Dayawati Modi Academy I , added an answer
Answered on 9/9/11

 Battery helps in maintaining potential difference across a conductor.

sabra_safih... , added an answer
Answered on 24/11/11

device for measuring potential difference

Anusha Jayakrishnan , From Sri Ram Dayal Khemka Vivekananda Vidyalayathiruvottiyur , added an answer
Answered on 17/5/12

volt meter

Remya Menon , From Abu Dhabi Indian School , added an answer
Answered on 22/6/12

DEFINE RESISTIVITY

Shrawin Sisodia , From Delhi Public School , added an answer
Answered on 18/9/12

 oofcurse voltmeter

Meghna Jee , From Hhhhhh , added an answer
Answered on 18/9/12

IT IS BATTERY.

voltmeter is the instrument used to MEASURE POTENTIEL DIFF. AND NOT MAINTAIN P.D

Sweet Princess , From International Indian School , added an answer
Answered on 10/4/13

A source of electricity such as cell, battery, power supply, etc. helps to maintain a potential difference across a conductor.

K. Venkata Ramana , From C A L Public School , added an answer
Answered on 1/9/13

A BATTERY HELPS IN MAINTAINING POTENTIAL DIFFERENCE ACROSS A CONDUCTOR.