MCQ
It is possible to hear beats from the two vibrating sources of frequency
- A$100 Hz$ and $150 Hz$
- ✓$20 Hz$ and $25 Hz$
- C$400 Hz$ and $500 Hz$
- D$1000 Hz$ and $1500 Hz$
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Statement $I:$ In a typical transistor, all three regions emitter, base and collector have same doping level.
Statement $II:$ In a transistor, collector is the thickest and base is the thinnest segment.
In the light of the above statements, choose the most appropriate answer from the options given below.

