A carrier is simultaneously modulated by two sine waves with modulation indices of 0.3 and 0.4, the total modulation index

cannot be calculated unless the phase relations are known

A carrier is simultaneously modulated by two sine waves with modulatio

1.	A carrier is simultaneously modulated by two sine waves with modulation indices of 0.3 and 0.4, the total modulation index
A.	is 1
B.	cannot be calculated unless the phase relations are known
C.	is 0.5
D.	is 0.7
Answer» D. is 0.7