Question

Q7. Phosphor-bronze is used for
making suspension wire or hair
springs, because it is
*
O (a) bad conductor of electricity
O
(b) having small value of restoring
torque per unit twist
(C) having large value of restoring
torque per unit twist
O (d) a magnetic substance
!
This is a required question​

Answer 1

Phosphor-Bronze wire is used for suspension in a moving coil galvanometer because it has small restoring torque per unit twist and high tensile strength.

so option c is the answer

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