GATE EE 2014 Set 2 — Question 33
Go beyond PYQs with Success TrackerAI-powered personalised practice and doubt support. Unlimited practice on eligible plans; AI usage limits apply.NAT+1 / -0MediumRectifiers (HW, FW, Bridge)Diode CircuitsAnalog & Digital ElectronicsZener Regulator
Analog & Digital Electronics → Diode Circuits → Rectifiers (HW, FW, Bridge)
Last updated
Question
The sinusoidal ac source in the figure has an rms value of . Considering all possible values of , the minimum value of in to avoid burnout of the Zener diode is _________.
Correct answer
299 to 301
Solution
To avoid burnout, the Zener current must not exceed its maximum rated current.
1.Zener rating:
, .2.Voltage feeding :
The source peak is . The bridge rectifier (ideal diodes) followed by the filter capacitor charges the capacitor to this peak, so is fed from (at most) dc.3.Worst case over all :
The current through is , and . The Zener current is largest when , i.e. (open load), so then .4.Minimum :
Thus, the minimum value of is .Continue learning with Success Tracker
A step still unclear? Work through it with support
Use Success Tracker to ask about the reasoning, then try another GATE EE question to check your understanding.
AI-powered practice· Unlimited practice on eligible plans
- PYQs with solutions
- Attempt available previous-year questions, then compare your reasoning with the worked solution. Coverage varies by stream.
- Practice that adapts
- Choose a topic, work on weaker areas and bookmark questions to revisit. Your attempts feed your progress tracking.
- AI doubt support
- Ask follow-up questions about a step or concept while practising, instead of stopping at the final answer.
Unlimited practice is available on eligible plans. Free practice and AI usage have limits; check the current plan allowances before choosing.
This page stays readable without an account. AI responses can be wrong; check them against the solution and source material.
More questions on Diode Circuits
2026 Set 1 Q33In the linear regulator circuit shown, the base to emitter voltage of the BJT is…2026 Set 1 Q37In the circuit shown, the open loop gain of the operational amplifier is . What is the…2026 Set 1 Q45The digital circuit shown has 3 inputs (, , and ). [figure] The simplified logical…2026 Set 1 Q46The MOSFET switches shown in the circuit are ideal. [figure] Which of the following is the correct…2026 Set 1 Q61Consider the circuit shown. Assume that the diode () is ideal. Given …