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Amplitude Modulation

Quick practice

Question 1 of 5

A modulated signal is given by s(t)=m_{1}(t) \cos \left(2 \pi f_{c} t\right)+m_{2}(t) \sin \left(2 \pi f_{c} t\right)  where the baseband signal m_{1}(t)   and  m_{2}(t) have bandwidths of 20 kHz and 25 kHz, respectively. The bandwidth of the modulated signal, in kHz, is 

A

25

B

40

C

50

D

20

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