Which of the following can act as error detecting devices 1.a pair of – McqOptions

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1.	Which of the following can act as error detecting devices 1.a pair of potentiometers 2.a pair of synchros 3.a differential transformer 4.a metadyne 5.a control transformer Select the answer using the following codes:
A.	1, 2, 5
B.	2, 3, 4, 5
C.	1, 3, 4, 5
D.	1, 2, 3, 4
Answer» B. 2, 3, 4, 5

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