Physics - Alternating Current
Practise 18 Manipal (MET) previous year questions on Alternating Current, compiled from papers spanning 2010 to 2024. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty Manipal (MET) tests.
Alternating Current has been asked in 10 of the 15 years of Manipal (MET) papers analysed (2010–2024), with 18 questions in all. 83% of them were easy, 11% moderate and 6% tough. Most of its questions came from 2018, with 3 questions that year. In the last three years (2022–2024) it had 1 question across 1 paper, about 1 per paper.
The chapter's 3 topics are not weighted equally: Alternating Current, Voltage and Power (7 questions, 39%), AC Circuits (6 questions, 33%), and Transformers (5 questions, 28%) have been asked the most. Alternating Current, Voltage and Power has also led over the last five years, with 1 question. Transformers has produced the most tough questions (1).
- 1When 100 V DC is applied across a solenoid, a current of 1 A flows in it. When 100 VAC is applied across the same coil, the current drop is 2024Alternating Current, Voltage and Power
- 2A step up transformer has turn ratio . A cell of emf 2 V is fed to the primary, then the secondary voltage developed is2020Transformers
- 3A transformer of efficiency has 200 turns in the primary and 40000 turns in secondary. It is connected to a 220 V main supply and secondary 2018Transformers
- 4Voltage and current in an AC circuit are given by and2018Alternating Current, Voltage and Power
- 5In a step-up transformer the voltage in the primary is 220 V and the current is 5 A . The secondary voltage is found to be 22000 V . The cur2018Transformers
- 6A sinusoidal voltage of peak value 300 V and an angular frequency is applied to a series circuit, in which , and . The peak current in the c2017AC Circuits
- 7In an circuit which one of the following statements is correct?2016AC Circuits
- 8In an series circuit, the values of and are and , what is the impedance of the circuit?2016AC Circuits
- 9The alternating voltage and current in an electric circuit are respectively given by The reactance of the circuit will be2015Alternating Current, Voltage and Power
- 10Given, The time constant (in ) for the circuits I, II, III are respectively2014AC Circuits
- 11In non-resonant circuit, what will be the nature of the circuit for frequencies higher than the resonant frequency?2012AC Circuits
- 12In an circuit having and in series, the resonance frequency in is2012AC Circuits
- 13A 220 V main supply is connected to a resistance of . The effective current is2012Alternating Current, Voltage and Power
- 14In an AC circuit the potential difference and current are represented respectively by volt, milliampere. The power in the circuit is2011Alternating Current, Voltage and Power
- 15The time taken by AC of 50 Hz in reaching from zero to the maximum value is2011Alternating Current, Voltage and Power
- 16In a step-up transformer the turn ratio is . A Leclanche cell (emf 1.5 V ) is connected across the primary. The voltage across the secondary2011Transformers
- 17The peak value of an alternating emf given by is 10 V and its frequency is 50 Hz . At a time , the instantaneous value of the emf is2010Alternating Current, Voltage and Power
- 18The number of turns in primary coil of a transformer is 20 and the number of turns in the secondary is 10 . If the voltage across the primar2010Transformers
Frequently Asked Questions
1.How many questions are available for Alternating Current?
This chapter includes 18 questions compiled from Manipal (MET) papers spanning 2010 to 2024.
2.Are these questions only from Manipal (MET), or from other exams too?
These are Manipal (MET) questions specifically for the Alternating Current chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Alternating Current an important chapter for Manipal (MET) Physics?
Alternating Current has appeared in 10 of the 15 years of Manipal (MET) papers covered here, with 18 questions across 10 papers - about 2 per paper it appears in.
4.What is the difficulty level of Alternating Current questions in Manipal (MET)?
Of the 18 questions analysed for this chapter, 83% are easy, 11% moderate and 6% tough. 2018 had the most, with 3 questions.
5.Which topics in Alternating Current should I focus on?
These topics have carried the most weightage in Alternating Current:
- Alternating Current, Voltage and Power - 7 questions (39%)
- AC Circuits - 6 questions (33%)
- Transformers - 5 questions (28%)
- Transformers has produced the most tough questions (1).
6.Is Alternating Current's weightage in Manipal (MET) going up or down?
Across all 10 papers analysed, Alternating Current has averaged about 1.8 questions per paper. In the last three years (2022–2024), that average has fallen, at about 1.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.