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Prove that sensitivity of galvanometer is maximum when the deflection is 90 degree

Prove that sensitivity of galvanometer is maximum when the deflection is 90 degree

Grade:12

1 Answers

Arun
25750 Points
6 years ago
Galvanometer is an ammeter which can be used from both sides 
as an ammeter if not connected properly would make the needle go in reverse direction and break it 
hence the galvanometer was made with deflection angle as 180 this was twice as an ammeter 
it ensured that the needle won't break if even connected in wrong way 
the needle is in the centre hence it can go 90 in both directions
hence the max deflection is 90

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