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

Asked by Abhiram Nair(student) , on 6/4/14

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Voltmeter help in maintaining a potiential difference across a conductor.

Posted by Prashant Agarwa...(student)on 31/7/09

battery helps n maintaing d potential difference.

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

Posted by Hrithvick Giri(student)on 9/8/09

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

Posted by Ananya Khajuria(student)on 4/6/10

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

Posted by Himanshu Singh(student)on 5/7/11

 Battery helps in maintaining potential difference across a conductor.

Posted by Ashok Rastogi(teacher)on 9/9/11

device for measuring potential difference

Posted by sabra_safih...(teacher)on 24/11/11

IT IS BATTERY.

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

Posted by Meghna Jee(student)on 18/9/12

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

Posted by Sweet Princess(student)on 10/4/13

A BATTERY HELPS IN MAINTAINING POTENTIAL DIFFERENCE ACROSS A CONDUCTOR.

Posted by K. Venkata Rama...(student)on 1/9/13

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