The hairsprings in a d'Arsonval meter movement perform which of the following functions?

The hairsprings in a d’Arsonval meter movement perform which of the following functions?

A. They keep the pointer in the position of the last indication when current is removed
B. They aid the movement of the pointer when there is current through the meter
C. They make electrical connections to the meter movement
D. All of the above

Show Answer

Answer: C

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