If e = 10 cos (2p x 108t + 20 cos 2p 103t). The bandwidth is – McqOptions

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1.	If e = 10 cos (2p x 108t + 20 cos 2p 103t). The bandwidth is
A.	108 Hz
B.	42 kHz
C.	21 kHz
D.	108 ¬± 103 Hz
Answer» C. 21 kHz

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