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SRIKSHADY - Determined & self-motivated for IIT

Blazing goIITian

Joined:	19 Jan 2008
Post:	360

11 Feb 2009 00:59:39 IST

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Plz tell me how to rectify the zero errors in voltmeter and ammeter, for practicals.

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Plz tell me how to rectify the zero errors in voltmeter and ammeter, for practicals.

Comments (3)

Love Goyal

Cool goIITian

Joined: 30 May 2008

Posts: 71

11 Feb 2009 01:55:34 IST

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tere is a screw just below the needle. see carefully. use this screw.

SRIKSHADY - Determined & self-motivated for IIT

Blazing goIITian

Joined: 19 Jan 2008

Posts: 360

12 Feb 2009 16:28:44 IST

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How do u rectify mathematically??

Sai Karthik

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Joined: 11 Feb 2009

Posts: 82

12 Feb 2009 19:35:05 IST

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its simple all u have to do is note the reading when the apparatus is not in the circuit.....suppose it shows 0.5 from before ....connect it in the circuit and suppose u get the reading as 1.5 then just substract 0.5 from it i.e the correct reading id 1.5 - 0.5 = 1. plz rate

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