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Previous year question hub

Power Electronics - Electrical Engineering Previous Year Questions

Practice Power Electronics - Electrical Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

25Papers
18Years
144Questions
1Topics

Power Electronics question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Power Electronics. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 116 80.6%
Easy 18 12.5%
Hard 10 6.9%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 87 60.4%
Numerical Answer Type (NAT) 52 36.1%
MSQ 5 3.5%

Subject weightage

Top subjects by unique question coverage.

Electrical Engineering
144 Qs

Most asked topics

Top topics across the included previous year papers.

Power Electronics
144 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Controlled and Uncontrolled Rectifiers
52 Qs
DC-DC Converters
33 Qs
Power Semiconductor Devices
30 Qs
Inverters and Pulse-width Modulation
29 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Electrical Engineering (EE) 2025
2 Qs
Electrical Engineering (EE) 2024
7 Qs
Electrical Engineering (EE) 2023
4 Qs
Electrical Engineering (EE) 2022
7 Qs
Electrical Engineering (EE) 2021
3 Qs
Electrical Engineering (EE) 2020
7 Qs
Electrical Engineering (EE) 2019
6 Qs
Electrical Engineering (EE) 2018
6 Qs
Electrical Engineering (EE) 2017 [Session 2]
7 Qs
Electrical Engineering (EE) 2017 [Session 1]
5 Qs
Electrical Engineering (EE) 2016 [Session 1]
6 Qs
Electrical Engineering (EE) 2016 [Session 2]
6 Qs
Electrical Engineering (EE) 2014 [Session 1]
5 Qs
Electrical Engineering (EE) 2014 [Session 2]
4 Qs
Electrical Engineering (EE) 2014 [Session 3]
2 Qs
Electrical Engineering (EE) 2013 [Session 1]
6 Qs
Electrical Engineering (EE) 2013 [Session 2]
6 Qs
Electrical Engineering (EE) 2013 [Session 4]
6 Qs
Electrical Engineering (EE) 2013 [Session 3]
5 Qs
Electrical Engineering (EE) 2012
5 Qs
Electrical Engineering (EE) 2011
7 Qs
Electrical Engineering (EE) 2010
5 Qs
Electrical Engineering (EE) 2009
5 Qs
Electrical Engineering (EE) 2008
10 Qs
Electrical Engineering (EE) 2007
12 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Controlled and Uncontrolled Rectifiers

Explore previous-paper coverage, trends and focused practice for Controlled and Uncontrolled Rectifiers.

52 questions20 papers16 years

DC-DC Converters

Explore previous-paper coverage, trends and focused practice for DC-DC Converters.

33 questions21 papers15 years

Power Semiconductor Devices

Explore previous-paper coverage, trends and focused practice for Power Semiconductor Devices.

30 questions18 papers14 years

Inverters and Pulse-width Modulation

Explore previous-paper coverage, trends and focused practice for Inverters and Pulse-width Modulation.

29 questions20 papers14 years

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
Electrical Engineering (EE) 202520252View paper
Electrical Engineering (EE) 202420247View paper
Electrical Engineering (EE) 202320234View paper
Electrical Engineering (EE) 202220227View paper
Electrical Engineering (EE) 202120213View paper
Electrical Engineering (EE) 202020207View paper
Electrical Engineering (EE) 201920196View paper
Electrical Engineering (EE) 201820186View paper
Electrical Engineering (EE) 2017 [Session 1]20175View paper
Electrical Engineering (EE) 2017 [Session 2]20177View paper
Electrical Engineering (EE) 2016 [Session 1]20166View paper
Electrical Engineering (EE) 2016 [Session 2]20166View paper
Electrical Engineering (EE) 2014 [Session 1]20145View paper
Electrical Engineering (EE) 2014 [Session 2]20144View paper
Electrical Engineering (EE) 2014 [Session 3]20142View paper
Electrical Engineering (EE) 2013 [Session 1]20136View paper
Electrical Engineering (EE) 2013 [Session 2]20136View paper
Electrical Engineering (EE) 2013 [Session 3]20135View paper
Electrical Engineering (EE) 2013 [Session 4]20136View paper
Electrical Engineering (EE) 201220125View paper
Electrical Engineering (EE) 201120117View paper
Electrical Engineering (EE) 201020105View paper
Electrical Engineering (EE) 200920095View paper
Electrical Engineering (EE) 2008200810View paper
Electrical Engineering (EE) 2007200712View paper

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2007 · Electrical Engineering · Power Electronics · Controlled and Uncontrolled Rectifiers
Electrical Engineering (EE) 2007

A single-phase fully controlled thyristor bridge ac-dc converter is operating at a firing angle of 25° and an overlap angle of 10° with constant dc output current of 20 A. The fundamental power factor (displacement factor) at input ac mains is

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2
2008 · Electrical Engineering · Power Electronics · Controlled and Uncontrolled Rectifiers
Electrical Engineering (EE) 2008
In the single phase voltage controller circuit shown in the figure, for what range of triggering angle (α), the output voltage (vo) is not controllable?
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3
2009 · Electrical Engineering · Power Electronics · Power Semiconductor Devices
Electrical Engineering (EE) 2009

An SCR is considered to be a semi-controlled device because

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4
2010 · Electrical Engineering · Power Electronics · Controlled and Uncontrolled Rectifiers
Electrical Engineering (EE) 2010
Power is transferred from system A to system B by an HVDC link as shown in the figure. If the voltages \( V_{AB} \) and \( V_{CD} \) are as indicated in the figure, and \( I > 0 \), then

Question diagram

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5
2011 · Electrical Engineering · Power Electronics · Inverters and Pulse-width Modulation
Electrical Engineering (EE) 2011
A three-phase current source inverter used for the speed control of an induction motor is to be realized using MOSFET switches as shown below. Switches S1 to S6 are identical switches.

The proper configuration for realizing switches S1 to S6 is

Question diagram

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6
2012 · Electrical Engineering · Power Electronics · Controlled and Uncontrolled Rectifiers
Electrical Engineering (EE) 2012
A half-controlled single-phase bridge rectifier is supplying an R-L load. It is operated at a firing angle α and the load current is continuous. The fraction of cycle that the freewheeling diode conducts is
(A) 1/2
(B) (1 - α/π)
(C) α/2π
(D) α/π
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