PART - A (PHYSICS)
Figure shown a DC voltage regulator circuit, with a Zener diode of breakdown voltage 
. If the unregulated input voltage varies between 
to 
, then what is the maximum Zener current?
Text Solution
Verified by ExpertsB
Maximum current will flow from zener if input voltage is maximum.
When zener diode works in breakdown state, voltage across the zener will remain same.
Current through 
Since input voltage 
Potential difference across 
Current through 
Current through zener diode 
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