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electronics and communication engineering communication systems
1. Under identical conditions, for a single modulating frequency, FM and PM are indistinguishable. Now if the modulating frequency is reduced, then
(A): phase modulation index as well as frequency modulation index decrease
(B): phase modulation index as well as frequency modulation index increase
(C): phase modulation index will decrease whereas frequency modulation index will remain constant
(D): phase modulation index will remain constant whereas frequency modulation index will increase
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