MCQ
In a transistor configuration $b-$parameter is
- A$\frac{ l _{ b }}{ l _{ c }}$
- ✓$\frac{ l _{ c }}{ l _{ b }}$
- C$\frac{ l _{ c }}{ l _{ a }}$
- D$\frac{ l _{ a }}{ l _{ c }}$
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since the magnetic field is radial