In sumpner s test, the net voltage in the local circuit of secondary s

1.	In sumpner s test, the net voltage in the local circuit of secondary s is
A.	Equal to zero
B.	Twice of the induced emf in each secondary s
C.	Equal to the induced emf in each secondary s
D.	Square of the induced emf in each secondary s
Answer» B. Twice of the induced emf in each secondary s

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