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Physics - Alternating Current

Practise 23 JIPMER previous year questions on Alternating Current, compiled from papers spanning 2004 to 2019. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty JIPMER tests.

Alternating Current has been asked in 0 of the 19 years of JIPMER papers analysed (2001–2019), with 23 questions in all. 17% of them were easy, 65% moderate and 17% tough. Most of its questions came from 2019, with 0 questions that year. In the last three years (2017–2019) it had 0 questions across 5 papers, about 0 per paper.

The chapter's 4 topics are not weighted equally: AC Circuits (15 questions, 65%), Transformers (5 questions, 22%), and Alternating Current, Voltage and Power (2 questions, 9%) have been asked the most. AC Circuits has produced the most tough questions (2).

  1. 1Find the current drawn from the battery just after the switch is closed.2019AC Circuits
  2. 2Find resonance frequency in the given circuit2019AC Circuits
  3. 3In a L-C circuit, angular frequency at resonance is . What will be the new angular frequency when inductor's inductance is made two times an2018AC Circuits
  4. 4A transformer having efficiency of is working on 220 V and 4.4 kW power supply. If the current in the secondary coil is 5 A . What will be t2016Transformers
  5. 5An series circuit with a resistance of is connected to 200 V (AC source) and angular frequency . When only the capacitor is removed, then th2016AC Circuits
  6. 6An inductor , a resistor and a battery are connected in series. After a long time, the circuit is short-circuited and then the battery is di2015AC Circuits
  7. 7If we change the value of , then2014AC Circuits
  8. 8Real power consumption in a circuit is least when it contains.2014Quality and Power Factor
  9. 9source is connected to an inductance of 0.2 H and a resistance of in series. What is the current in the circuit?2013AC Circuits
  10. 10An electric bulb has a rated power of 50 W at 100 V . If it is used on an AC source , a choke has to be used in series with it. This choke s2012Alternating Current, Voltage and Power
  11. 11In an circuit inductance is changed from to . To keep the same resonance frequency, should be changed to2012AC Circuits
  12. 12A choke is preferred to a resistance for limiting current in AC circuit because2011AC Circuits
  13. 13Voltage in the secondary coil of a transformer does not depend upon2011Transformers
  14. 14In a series circuit, resistance and the impedance . The phase difference between the current and the voltage is2010AC Circuits
  15. 15The primary and secondary coils of a transformer have 50 and 1500 turns respectively. If the magnetic flux linked with the primary coil is g2009Transformers
  16. 16A transformer is used to light a 100 W and 110 V lamp from a 220 V mains. If the main current is 0.5 A , the efficiency of the transformer i2009Transformers
  17. 17When power is drawn from the secondary coil of the transformer, the dynamic resistance2008Transformers
  18. 18In a circuit, and are connected in series with an alternating voltage source of frequency . The current leads the voltage by . The value of 2007AC Circuits
  19. 19In a circuit, the capacitance is made one-fourth, then what should be change in inductance, so that the circuit remains in resonance?2006AC Circuits
  20. 20An L.C. circuit is in the state of resonance. If and Henry. Neglecting ohmic resistance of circuit. What is the frequency of oscillations?2005AC Circuits
  21. 21A transmitting station transmits radiowaves of wavelength 360 m . Calculate the inductance of coil required with a condenser of capacity in 2004AC Circuits
  22. 22The peak value of alternating current is ampere. The mean square value of current will be2004Alternating Current, Voltage and Power
  23. 23A lamp in which 10 amp current can flow at 15 V, is connected with an alternating source of potential 220 V. The frequency of source is 50 H2004AC Circuits

Frequently Asked Questions

1.How many questions are available for Alternating Current?

This chapter includes 23 questions compiled from JIPMER papers spanning 2004 to 2019.

2.Are these questions only from JIPMER, or from other exams too?

These are JIPMER questions specifically for the Alternating Current chapter. Questions from other exams like NEET or AIIMS are organised separately under their respective exam sections.

3.Is Alternating Current an important chapter for JIPMER Physics?

Alternating Current has appeared in 15 of the 16 years of JIPMER papers covered here, with 23 questions across 15 papers - about 2 per paper it appears in.

4.What is the difficulty level of Alternating Current questions in JIPMER?

Of the 23 questions analysed for this chapter, 17% are easy, 65% moderate and 17% tough. 2019 had the most, with 0 questions.

5.Which topics in Alternating Current should I focus on?

These topics have carried the most weightage in Alternating Current:

  • AC Circuits - 15 questions (65%)
  • Transformers - 5 questions (22%)
  • Alternating Current, Voltage and Power - 2 questions (9%)
  • AC Circuits has produced the most tough questions (2).
6.Is Alternating Current's weightage in JIPMER going up or down?

Across all 15 papers analysed, Alternating Current has averaged about 1.5 questions per paper. In the last three years (2017–2019), that average has fallen, at about 0.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.