Question:
The e m f E of the battery is balanced by p d across 75 cm
Last updated: 6/24/2023
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The e m f E of the battery is balanced by p d across 75 cm of a potentiometer wire For a standard cell of e m f 1 02 V the balancing length is 50 cm The value of E is A 0 68 V 1 53 V B D 1 24 V 1 08 V