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Previous year question hub

Alternating Current - Electricity - Physics Previous Year Questions

Practice Alternating Current - Electricity - Physics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

18Papers
14Years
41Questions
1Topics

Alternating Current question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Alternating Current. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 40 97.6%
Easy 1 2.4%

Question type distribution

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

Multiple Choices 41 100%

Subject weightage

Top subjects by unique question coverage.

Physics
41 Qs

Most asked topics

Top topics across the included previous year papers.

Electricity
41 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Alternating Current
41 Qs

Paper coverage

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

NEET 2026
2 Qs
NEET 2025
1 Qs
NEET 2024 RE EXAMINATION
3 Qs
NEET 2024
2 Qs
NEET 2023
5 Qs
NEET 2023 MANIPUR
4 Qs
NEET 2022 PHASE 2
3 Qs
NEET 2022 Phase 1
2 Qs
NEET 2021
4 Qs
NEET 2020 PHASE 1
2 Qs
AIIMS 2019
3 Qs
AIIMS 2018
3 Qs
AIIMS 2017
2 Qs
NEET 2016 PHASE 1
1 Qs
NEET 2016 PHASE 2
1 Qs
AIPMT 2008
1 Qs
AIPMT 2006
1 Qs
AIPMT 2001
1 Qs

Included previous year papers

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

PaperYear / sessionQuestions in this viewOpen
NEET 202620262View paper
NEET 202520251View paper
NEET 202420242View paper
NEET 2024 RE EXAMINATION20243View paper
NEET 202320235View paper
NEET 2023 MANIPUR20234View paper
NEET 2022 Phase 120222View paper
NEET 2022 PHASE 220223View paper
NEET 202120214View paper
NEET 2020 PHASE 120202View paper
AIIMS 201920193View paper
AIIMS 201820183View paper
AIIMS 201720172View paper
NEET 2016 PHASE 120161View paper
NEET 2016 PHASE 220161View paper
AIPMT 200820081View paper
AIPMT 200620061View paper
AIPMT 200120011View paper

All Alternating Current previous year questions

Practice every matching question in batches of 20, with every available option.

1
2001 · Physics · Electricity · Alternating Current
AIPMT 2001
The value of quality factor is
A
\({{\omega R} \over L}\)
B
\({1 \over {\omega RC}}\)
C
\(\sqrt {LC}\)
D
\(L/R\)
Open complete paper
2
2006 · Physics · Electricity · Alternating Current
AIPMT 2006
The core of a transformer is laminated because
A
ratio of voltage in primary and secondary may be increased
B
energy losses due to eddy currents may be minimised
C
the weight of the transformer may be reduced
D
rusting of the core may be prevented.
Open complete paper
3
2008 · Physics · Electricity · Alternating Current
AIPMT 2008
In an a.c. circuit the e.m.f. (\(\varepsilon\)) and the current

(i)  at any instant are given respectively by
\(\varepsilon\) = E0sin\(\omega\)t,   \(i\) = \(I\)0sin(\(\omega\)t \(-\) \(\phi\))

The average power in the circuit over one cycle of a.c. is
A
\({{{E_0}{I_0}} \over 2}\cos \phi\)
B
\({{E_0}{I_0}}\)
C
\({{{E_0}{I_0}} \over 2}\)
D
\({{{E_0}{I_0}} \over 2}\sin \phi\)
Open complete paper
4
2016 · Physics · Electricity · Alternating Current
NEET 2016 PHASE 1
A small signal voltage V(t) = V0 sin\(\omega\)t is applied across an ideal capacitor C
A
Current \(I(t)\) is in phase with voltage \(V(t)\).
B
Current \(I(t)\) leads voltage V(t) by 180o
C
Current \(I(t)\), legs voltage \(V(t)\) by 90o.
D
Over a full cycle the capacitor C foes not consume any energy from the voltage source.
Open complete paper
5
2016 · Physics · Electricity · Alternating Current
NEET 2016 PHASE 2
A 100 \(\Omega\) resistance and a capacitor of 100 \(\Omega\) reactance are connected in series across a 220 V source. When the capacitor is 50% charged, the peak value of the displacement current is
A
2.2 A
B
11 A
C
4.4 A
D
11\(\sqrt 2 A\)
Open complete paper
6
2020 · Physics · Electricity · Alternating Current
NEET 2020 PHASE 1
A series LCR circuit is connected to an ac voltage source. When L is removed from the circuit, the phase difference between current and voltage is \({\pi \over 3}\). If instead C is removed from the circuit, the phase difference is again \({\pi \over 3}\) between current and voltage. The power factor of the circuit is :
A
0.5
B
1.0
C
\(-\) 1.0
D
zero
Open complete paper
7
2020 · Physics · Electricity · Alternating Current
NEET 2020 PHASE 1
A 40 \(\mu\)F capacitor is connected to a 200 V. 50 Hz ac supply. The rms value of the current on the circuit is, nearly :
A
2.05 A
B
2.5 A
C
25.1 A
D
1.7 A
Open complete paper
8
2021 · Physics · Electricity · Alternating Current
NEET 2021
A series LCR circuit containing 5.0 H inductor, 80\(\mu\)F capacitor and 40\(\Omega\) resistor is connected to 230V variable frequency ac source. The angular frequencies of the source at which power transferred to the circuit is half the power at the resonant angular frequency are likely to be :
A
42 rad/s and 58 rad/s
B
25 rad/s and 75 rad/s
C
50 rad/s and 25 rad/s
D
46 rad/s and 54 rad/s
Open complete paper
9
2021 · Physics · Electricity · Alternating Current
NEET 2021
A capacitor of capacitance 'C', is connected across an ac source of voltage V, given by

V = V0sin\(\omega\)t

The displacement current between the plates of the capacitor, would then be given by :
A
\({I_d} = {V_0}\omega C\sin \omega t\)
B
\({I_d} = {V_0}\omega C\cos \omega t\)
C
\({I_d} = {{{V_0}} \over {\omega C}}\cos \omega t\)
D
\({I_d} = {{{V_0}} \over {\omega C}}\sin \omega t\)
Open complete paper
10
2021 · Physics · Electricity · Alternating Current
NEET 2021
An inductor of inductance L, a capacitor of capacitance C and a resistor of resistance 'R' are connected in series to an ac source of potential difference 'V' volts as shown in figure. Potential difference across L, C and R is 40V, 10V and 40V, respectively. The amplitude of current flowing through LCR series circuit is 10\(\sqrt 2\) A. The impedance of the circuit is :

NEET 2021 Physics - Alternating Current Question 25 English
A
5\(\Omega\)
B
4\(\sqrt 2\) \(\Omega\)
C
5/\(\sqrt 2\) \(\Omega\)
D
4\(\Omega\)
Open complete paper
11
2021 · Physics · Electricity · Alternating Current
NEET 2021
A step down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit ?
A
4A
B
0.2A
C
0.4A
D
2A
Open complete paper
12
2022 · Physics · Electricity · Alternating Current
NEET 2022 PHASE 2

An inductor of inductance 2 mH is connected to a 220 V, 50 Hz ac source. Let the inductive reactance in the circuit is X1. If a 220 V dc source replace the ac source in the circuit, then the inductive reactance in the circuit is X2. X1 and X2 respectively are :

A
0.628 \(\Omega\), infinity
B
6.28 \(\Omega\), zero
C
6.28 \(\Omega\), infinity
D
0.628 \(\Omega\), zero
Open complete paper
13
2022 · Physics · Electricity · Alternating Current
NEET 2022 PHASE 2

A standard filament lamp consumes 100 W when connected to 200 V ac mains supply. The peak current through the bulb will be :

A
2 A
B
0.707 A
C
1 A
D
1.414 A
Open complete paper
14
2022 · Physics · Electricity · Alternating Current
NEET 2022 PHASE 2

Given below are two statements

Statement I : In an a.c circuit, the current through a capacitor leads the voltage across it.

Statement II : In a.c circuit containing pure capacitance only, the phase difference between the current and voltage is \(\pi\).

In the light of the above statements, choose the most appropriate answer from the options given below

A
Statement I is incorrect but Statement II is correct
B
Both Statement I and Statement II are correct
C
Both Statement I and Statement II are incorrect
D
Statement I is correct but Statement II is incorrect
Open complete paper
15
2023 · Physics · Electricity · Alternating Current
NEET 2023

In a series LCR circuit, the inductance \(L\) is \(10 ~\mathrm{mH}\), capacitance \(C\) is \(1 ~\mu \mathrm{F}\) and resistance \(R\) is \(100 ~\Omega\). The frequency at which resonance occurs is :-

A
15.9 kHz
B
1.59 rad/s
C
1.59 kHz
D
15.9 rad/s
Open complete paper
16
2023 · Physics · Electricity · Alternating Current
NEET 2023

An ac source is connected to a capacitor C. Due to decrease in its operating frequency

A
displacement current increases.
B
displacement current decreases.
C
capacitive reactance remains constant.
D
capacitive reactance decreases.
Open complete paper
17
2023 · Physics · Electricity · Alternating Current
NEET 2023

A \(12 \mathrm{~V}, 60 \mathrm{~W}\) lamp is connected to the secondary of a step down transformer, whose primary is connected to ac mains of \(220 \mathrm{~V}\). Assuming the transformer to be ideal, what is the current in the primary winding ?

A
2.7 A
B
3.7 A
C
0.37 A
D
0.27 A
Open complete paper
18
2023 · Physics · Electricity · Alternating Current
NEET 2023

The magnetic energy stored in an inductor of inductance \(4 ~\mu \mathrm{H}\) carrying a current of \(2 \mathrm{~A}\) is :

A
\(4 \mathrm{~mJ}\)
B
\(8 \mathrm{~mJ}\)
C
\(8 ~\mu \mathrm{J}\)
D
\(4 ~\mu \mathrm{J}\)
Open complete paper
19
2023 · Physics · Electricity · Alternating Current
NEET 2023

The net impedance of circuit (as shown in figure) will be :

NEET 2023 Physics - Alternating Current Question 15 English

A
\(15 \Omega\)
B
\(5 \sqrt{5} \Omega\)
C
\(25 \Omega\)
D
\(10 \sqrt{2} \Omega\)
Open complete paper
20
2023 · Physics · Electricity · Alternating Current
NEET 2023 MANIPUR

The maximum power is dissipated for an ac in a/an:

A
resistive circuit
B
LC circuit
C
inductive circuit
D
capacitive circuit
Open complete paper

Showing 20 of 41 questions