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In the figure Vi is the input and Vo the output—
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- The circuit clipps off the input Vi for Vi < VR.
- The circuit clipps off the input Vi for Vi > VR.
- The negative swings of Vi are only clipped off.
- The output Vo = VR always.
Correct Option: A
From above circuit it is clear that, the circuit clipps off the input Vi for Vi > VR.