Technician Asays air core electromagnetic gauges and quartz swing needle displays are similar. Technician B says in quartz needle displays, the A coil is connected to the system voltage and the B coil receives a voltage proportional to input frequency. Who is correct?

A. Technician A only
B. Technician B only
C. Both Technician A and B
D. Neither Technician A nor B


Answer: C

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Fill in the blank(s) with the appropriate word(s).

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