the balance points shifts to 80 cm.

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A potentiometer wire of length 1 m is connected to a driver cell of emf 3 V. When a cell of emf 1.5V is used in the secondary circuit, the balance points is found to be 60 cm. On replacing this cell with a cell of in known emf, the balance points shifts to 80 cm.
03
Sep
A potentiometer wire of length 1 m is connected to a driver cell of emf 3 V. When a cell of emf 1.5V is used in the secondary circuit, the balance points is found to be 60 cm. On replacing this cell with a cell of in known emf, the balance points shifts to 80 [...]
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Tags: A potentiometer wire of length 1 m is connected to a driver cell of emf 3 V. When a cell of emf 1.5V is used in the secondary circuit , the balance points is found to be 60 cm. On replacing this cell with a cell of in known emf , the balance points shifts to 80 cm. ,