Physics - Alternating Current
Practise 3 IAT (IISER) previous year questions on Alternating Current, compiled from papers spanning 2017 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 IAT (IISER) tests.
Alternating Current has been asked in 3 of the 9 years of IAT (IISER) papers analysed (2017–2026), with 3 questions in all. 0% of them were easy, 67% moderate and 33% tough. Most of its questions came from 2024, with 1 question that year. In the last three years (2023–2026) it had 1 question across 3 papers, about 0.3 per paper.
All of the chapter's questions come from a single topic, AC Circuits.
- 1Consider the circuit diagram as shown in the figure. The source has a voltage . Both the resistors A and B have the same resistance. The cap2024AC Circuits
- 2In the given circuit, the box B either contains a capacitor, or an inductor or a resistor. The current versus time plots for three cases are2022AC Circuits
- 3In the given circuit, what is the closest approximate frequency at which the ratio is ?2017AC Circuits
Frequently Asked Questions
1.How many questions are available for Alternating Current?
This chapter includes 3 questions compiled from IAT (IISER) papers spanning 2017 to 2024.
2.Are these questions only from IAT (IISER), or from other exams too?
These are IAT (IISER) 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 IAT (IISER) Physics?
Alternating Current has appeared in 3 of the 10 years of IAT (IISER) papers covered here, with 3 questions across 3 papers - about one per paper it appears in.
4.What is the difficulty level of Alternating Current questions in IAT (IISER)?
Of the 3 questions analysed for this chapter, 0% are easy, 67% moderate and 33% tough. 2024 had the most, with 1 question.
5.Which topics in Alternating Current should I focus on?
All of this chapter's questions come from a single topic: AC Circuits.
6.Is Alternating Current's weightage in IAT (IISER) going up or down?
Across all 3 papers analysed, Alternating Current has averaged about 1.0 questions per paper. In the last three years (2023–2026), that average has fallen, at about 0.3 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.