MCQ
In diode, when there is saturation current, the plate resistance $({r_p})$ is
- AZero
- ✓Infinite
- CSome finite quantity
- DData is insufficient
✓
Answer
Correct option: B.
Infinite
b
(b) Plate resistance $\left(r_{p}\right)=\frac{\delta V}{\delta I}$ (where $\mathrm{d} \mathrm{V}$ is the change in voltage and $\delta \mathrm{l}$ is the change in current. At saturation, currelnt $\delta 1=0 .$ Therefore at saturation $\left(r_{p}\right)=\frac{\delta V}{0}=\infty$
(b) Plate resistance $\left(r_{p}\right)=\frac{\delta V}{\delta I}$ (where $\mathrm{d} \mathrm{V}$ is the change in voltage and $\delta \mathrm{l}$ is the change in current. At saturation, currelnt $\delta 1=0 .$ Therefore at saturation $\left(r_{p}\right)=\frac{\delta V}{0}=\infty$
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