Diode Forward Bias characteristics

[logearav]

Homework Statement

Kindly see my attachment.

Homework Equations

The Attempt at a Solution

Revered members,
From the options given, i think the answer is ON switch, because when the input is low, that is when the applied voltage is below the breakdown voltage(0.7 V for Silicon) the current is low and when the applied voltage is equal or above the breakdown voltage, there is saturation.
Am I correct?

 

[NascentOxygen]

Yes.

I don't like the question, but I suppose it does test whether you understand the concept.

 

[logearav]

Thanks a lot Nascent Oxygen