When a current is passed through a suspended moving-coil galvanometer, the deflection of the coil is arrested by
A. the elastic torsion of the suspension fibre
B. the elastic winding of the helical spring
C. the friction at the point of suspension
D. the changing magnetic flux through the coil.
Answer:A
When a current is passed through a suspended moving-coil galvanometer, the deflection of the coil is arrested by
A. the elastic torsion of the suspension fibre B. the elastic winding of the helical spring C. the friction at the point of suspension D. the changing magnetic flux through the coil.