WHICH_AMONG_THE_GIVEN_HARMONICS_ARE_CALLED_BELT_HARMONICS??$ – McqOptions

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1.	WHICH_AMONG_THE_GIVEN_HARMONICS_ARE_CALLED_BELT_HARMONICS??$
A.	5,7,11,13
B.	3,6,9,12
C.	5,6,11,12
D.	7,11,13,15
Answer» D. 7,11,13,15

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