GATE EC 2026 Set 1 — Question 65
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Analog Circuits → Diode Circuits → Clipping Circuits
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Question
Consider the ideal diodes and as shown in the Figure with cut-in voltage Volt and is in Volt.The maximum voltage (Volt) of the output is ________.
(rounded off to two decimal places)
(rounded off to two decimal places)

Correct answer
3.7 to 4.3
Solution
From the figure: the 10 k––(+2 V) branch conducts only when V ('s cathode sits at +2 V). has its cathode at the output and its anode at V (the battery's negative plate faces the diode), so conducts only when V.Positive half-cycle. For V both diodes are off and . For V, conducts and KCL at the output node gives stays off (since ).The maximum occurs at the input peak V:(On the negative half-cycle until it reaches V, where clamps it, so the minimum is V.)Answer: 4.00
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