1.

What is the potential difference across the galvanometer at null point?

Answer»

potential at point B becomes equal to the potential at point D HENCE the potential difference between these two points is ZERO hence currentthrough galvanometer is NIL. The deflection in the galvanometer is nilwhen the switch K2 is closed.‌✌️ ✨I THINK IT HELPED YOU✨ ✌️



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