MCQ
Continuous spectrum is not due to
- ✓Hydrogen flame
- BElectric bulb
- CKerosene oil lamp flame
- DCandle flame
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$V _{ AM }=10\left[1+0.4 \cos \left(2 \pi \times 10^{4} t \right)\right] \cos \left(2 \pi \times 10^{7} t \right) \text {. }$
The total bandwidth of the amplitude modulated wave is

