Question:
galvanometer Now the first battery E is replaced by second
Last updated: 6/25/2023
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galvanometer Now the first battery E is replaced by second battery E for working by making K open and K closed The galvanometer gives the null deflection at J The value of is E where a E2 wwwwww Rh K E B 3 E 20 cm J m K J 60 cm Answer K