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Electromagnetic Induction

32 Questions Start NEET Test
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2026 Q1 NEET MCQ
08 May 2026

A rectangular wire loop of sides 8 cm and 3 cm with a small cut, is moving out of a region of uniform magnetic field of magnitude 0.3 T directed normal to the plane of the loop. The emf developed across the cut, if the velocity of the loop is $2 \mathrm{~cm} \mathrm{~s}^{-1}$, in a direction normal to the shorter side of the loop, will be :

A.

$4.8 \times 10^{-4}$ volt

B.

$1.2 \times 10^{-4}$ volt

C.

$1.3 \times 10^{-4}$ volt

D.

$1.8 \times 10^{-4}$ volt

2026 Q2 NEET MCQ
28 Jun 2026

Consider a long solenoid of length $I$ and radius $r$. If $n$ is the number of turns per unit length and $\mu_0$ is the permeability of free space, the inductance of the solenoid is :

A.

$2 \mu_0 \pi n^2 r^2 I$

B.

$\mu 0 \pi n^2 r^2 1$

C.

$\mu_0 n^2 r^2 I$

D.

$\left(\mu_0 / 2 \pi\right) n^2 r^2 I$

2026 Q3 NEET MCQ
28 Jun 2026

Two identical inductors are connected in two different configurations $P$ and $Q$, where a time varying current $l(t)$ is flowing, as shown in the figure. The induced emf between points $a$ and $b$ for configuration $P$ is $E_P$ and that for configuration $Q$ is $E_Q$. The ratio $E_P / E_Q$ is:

[Neglect the effect of mutual inductance.]

RE-NEET 2026 Physics - Electromagnetic Induction Question 1 English

A.

2

B.

$\frac{1}{4}$

C.

$\frac{1}{2}$

D.

1

2026 Q4 NEET MCQ
28 Jun 2026

A conducting loop of finite resistance lies on the $x-y$ plane. There is a constant magnetic field in the $z$ direction. The area of the loop varies with time $t$, as $A=A_0(1+\sin t)$ in appropriate units. The figure that correctly indicates the qualitative behaviour of the power $P$ dissipated in the loop as a function of time is:

A.

RE-NEET 2026 Physics - Electromagnetic Induction Question 2 English Option 1

B.

RE-NEET 2026 Physics - Electromagnetic Induction Question 2 English Option 2

C.

RE-NEET 2026 Physics - Electromagnetic Induction Question 2 English Option 3

D.

RE-NEET 2026 Physics - Electromagnetic Induction Question 2 English Option 4

2025 Q5 NEET MCQ
10 Mar 2026

$A B$ is a part of an electrical circuit (see figure). The potential difference " $V_A-V_B$ ", at the instant when current $i=2 \mathrm{~A}$ and is increasing at a rate of $1 \mathrm{amp} /$ second is:

NEET 2025 Physics - Electromagnetic Induction Question 5 English

A.
9 volt
B.
10 volt
C.
5 volt
D.
6 volt
2024 Q6 NEET MCQ
10 Mar 2026

Let us consider two solenoids $A$ and $B$, made from same magnetic material of relative permeability $\mu_r$ and equal area of cross-section. Length of $A$ is twice that of $B$ and the number of turns per unit length in $A$ is half that of $B$. The ratio of self inductances of the two solenoids, $L_A: L_B$ is

A.
$1: 2$
B.
$2: 1$
C.
$8: 1$
D.
$1: 8$
2023 Q7 NEET MCQ
10 Mar 2026

An emf is generated by an ac generator having 100 turn coil, of loop area $1 \mathrm{~m}^2$. The coil rotates at a speed of one revolution per second and placed in a uniform magnetic field of $0.05 \mathrm{~T}$ perpendicular to the axis of rotation of the coil. The maximum value of emf is :-

A.
3.14 V
B.
31.4 V
C.
62.8 V
D.
6.28 V
2023 Q8 NEET MCQ
10 Mar 2026

The net magnetic flux through any closed surface is :

A.
Positive
B.
Infinity
C.
Negative
D.
Zero
2022 Q9 NEET MCQ
10 Mar 2026

The magnetic flux linked to a circular coil of radius R is

$\phi = 2{t^3} + 4{t^2} + 2t + 5$ Wb

The magnitude of induced emf in the coil at t = 5 s is

A.
192 V
B.
108 V
C.
197 V
D.
150 V
2022 Q10 NEET MCQ
10 Mar 2026

A square loop of side 1 m and resistance 1 $\Omega$ is placed in a magnetic field of 0.5 T. If the plane of loop is perpendicular to the direction of magnetic field, the magnetic flux through the loop is

A.
2 weber
B.
0.5 weber
C.
1 weber
D.
Zero weber
2021 Q11 NEET MCQ
10 Mar 2026
Two conducting circular loops of radii R1 and R2 are placed in the same plane with their centres coinciding. If R1 >> R2, the mutual inductance M between them will be directly proportional to :
A.
${{R_2^2} \over {{R_1}}}$
B.
${{{R_1}} \over {{R_2}}}$
C.
${{{R_2}} \over {{R_1}}}$
D.
${{R_1^2} \over {{R_2}}}$
2019 Q12 NEET MCQ
10 Mar 2026
A 800 turn coil of effective area 0.05 m2 is kept. perpendicular to a magnetic filed 5 × 10–5 T. When the plane of the coil is rotated by 90o around any of its coplanar axis in 0.1 s, the emf induced in the coil will be :
A.
0.2 V
B.
0.02 V
C.
2 V
D.
2 $ \times $ 10-3 V
2019 Q13 NEET MCQ
10 Mar 2026
In which of the following devices, the eddy current effect is not used?
A.
magnetic braking in train
B.
electromagnet
C.
electric heater
D.
induction furnace
2017 Q14 NEET MCQ
10 Mar 2026
A long solenoid of diameter 0.1 m has 2 $ \times $ 104 turns per meter. At the centre of the solenoid, a coil of 100 turns and radius 0.01 m is placed with its axis coinciding with the solenoid axis. The current in the solenoid reduces at a constant rate to 0 A from 4 A in 0.05 s. If the resistance of the coil is 10 $\pi $2 $\Omega $, the total charge flowing through the coil during this time is
A.
16 $\mu $C
B.
32 $\mu $C
C.
16$\pi $ $\mu $C
D.
32$\pi $ $\mu $C
2016 Q15 NEET MCQ
10 Mar 2026
A uniform magnetic field is restricted within a region of rafius r. The magnetic field changes with time at a rate ${{d\overrightarrow B } \over {dt}}$. Loop 1 of radius R > r encloses the region r and loop 2 of radius R is outside the region of magnetic field as shown in the figure. Then the e.m.f. generated is

NEET 2016 Phase 2 Physics - Electromagnetic Induction Question 31 English
A.
zero in loop 1 and zero in loop 2
B.
$ - {{d\overrightarrow B } \over {dt}}\pi {r^2}$ in loop 1 and $ - {{d\overrightarrow B } \over {dt}}\pi {r^2}$ in loop 2
C.
$ - {{d\overrightarrow B } \over {dt}}\pi {R^2}$ in loop 1 and zero in loop 2
D.
$ - {{d\overrightarrow B } \over {dt}}\pi {r^2}$ in loop 1 and zero in loop 2
2016 Q16 NEET MCQ
10 Mar 2026
A long solenoid has 1000 turns. When a current of 4 A flows through it, the magnetic flux linked with each turn of the solenoid is 4 $ \times \,{10^{ - 3}}$ Wb. The self-inductance of the solenoid is
A.
2 H
B.
1 H
C.
4 H
D.
3 H
2015 Q17 NEET MCQ
10 Mar 2026
An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path of electron. What will be the direction of current, if any, induced in the coil ?

AIPMT 2015 Physics - Electromagnetic Induction Question 29 English
A.
The current will reverse its direction as the electron goes past the coil
B.
No current induced
C.
abcd
D.
adcb
2014 Q18 NEET MCQ
10 Mar 2026
A thin semicircular conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field B, as shown in the figure.

AIPMT 2014 Physics - Electromagnetic Induction Question 28 English
The potential difference developed across the ring when its speed is $v$, is
A.
zero
B.
${{Bv\pi {r^2}} \over 2}$ and P is at higher potential
C.
$\pi rBV$ and R is at higher potential
D.
2rBV and R is at higher potential
2013 Q19 NEET MCQ
10 Mar 2026
A current of 2.5 A flows through a coil of inductance 5 H. The magnetic flux linked with the coil is
A.
0.5 Wb
B.
12.5 Wb
C.
zero
D.
2 Wb
2013 Q20 NEET MCQ
10 Mar 2026
A wire loop is rotated in a magnetic field. The frequency of change of direction of the induced e.m.f. is
A.
four times per revoluation
B.
six times per revolution
C.
once per revolution
D.
twice per revolution
2012 Q21 NEET MCQ
10 Mar 2026
In a coil of resistance 10 $\Omega $, the induced current developed by changing magnetic flux through it, is shown in figure as a function of time. The magnitude of change in flux through the coil in weber is

AIPMT 2012 Mains Physics - Electromagnetic Induction Question 24 English
A.
8
B.
2
C.
6
D.
4
2012 Q22 NEET MCQ
10 Mar 2026
A coil of resistance 400 $\Omega $ is placed in a magnetic field. If the magnetic flux $\phi $ (Wb) linked with the coil varies with time t (sec) as $\phi = 50{t^2} + 4$.

The current in the coil at t = 2 sec is
A.
0.5 A
B.
0.1 A
C.
2 A
D.
1 A
2011 Q23 NEET MCQ
10 Mar 2026
The current $i$ in a coil varies with time as shown in the figure. The variation of induced emf with time would be

AIPMT 2011 Prelims Physics - Electromagnetic Induction Question 23 English
A.
AIPMT 2011 Prelims Physics - Electromagnetic Induction Question 23 English Option 1
B.
AIPMT 2011 Prelims Physics - Electromagnetic Induction Question 23 English Option 2
C.
AIPMT 2011 Prelims Physics - Electromagnetic Induction Question 23 English Option 3
D.
AIPMT 2011 Prelims Physics - Electromagnetic Induction Question 23 English Option 4
2010 Q24 NEET MCQ
10 Mar 2026
A conducting circular loop is placed in a uniform magnetic field, B = 0.025 T with its plane perpendicular to the loop. The radius of the loop is made to shrink at a constant rate of 1 mm s$-$1. The induced emf when the radius is 2 cm, is
A.
$2\pi \mu V$
B.
$\pi \mu V$
C.
${\pi \over 2}\mu V$
D.
2$\mu $$V$
2009 Q25 NEET MCQ
10 Mar 2026
A conducting circular loop is placed in a uniform magnetic field 0.04 T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2 mm/s. The induced emf in the loop when the radius is 2 cm is
A.
4.8$\pi $$\mu $V
B.
0.8$\pi $$\mu $V
C.
1.6$\pi $$\mu $V
D.
3.2$\pi $$\mu $V
2009 Q26 NEET MCQ
10 Mar 2026
A rectangular, a square, a circular and an elliptical loop, all in the (x-y) plane, are moving out of a uniform magnetic field with a constant velocity. $\overrightarrow V = v\widehat i$. The magnetic field is directed along the negative z axis direction. The induced emf, during the passes of these loops, out of the field region, will not remain constant for
A.
The circular and the elliptical loops
B.
only the ellliptical loop
C.
any of the four loops
D.
the rectangular, circular and elliptical loops
2008 Q27 NEET MCQ
10 Mar 2026
A long solenoid has 500 turns. When a current of 2 ampere is passed through it, the resulting magnetic flux linked with each turn of the solenoid is 4 $ \times $ 10$-$3 Wb. The self-inductance of the solenoid is
A.
1.0 henry
B.
4.0 henry
C.
2.5 henry
D.
2.0 henry
2008 Q28 NEET MCQ
10 Mar 2026
A circular disc of radius 0.2 meter is placed in a uniform magnetic field of induction ${1 \over \pi }\left( {{{Wb} \over {{m^2}}}} \right)$ in such a way that its axis makes an angle of 60o with $\overrightarrow B .$ The magnetic flux linked with the disc is
A.
0.08 Wb
B.
0.01 Wb
C.
0.02 Wb
D.
0.06 Wb
2006 Q29 NEET MCQ
10 Mar 2026
Two coils of self inductance 2 mH and 8 mH are placed so close together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is
A.
16 mH
B.
10 mH
C.
6 mH
D.
4 mH
2005 Q30 NEET MCQ
10 Mar 2026
As a result of change in the magnetic flux linked to the closed loop as shown in the figure, an e.m.f. $V$ volt is induced in the loop. The work done (joule) in taking a charge Q coulomb once along the loop is

AIPMT 2005 Physics - Electromagnetic Induction Question 16 English
A.
QV
B.
2QV
C.
QV/2
D.
zero
2004 Q31 NEET MCQ
10 Mar 2026
The magnetic flux through a circuit of resistance R changes by an amount $\Delta $$\phi $ in a time $\Delta $t. Then the total quantity of electric charge Q that passes any point in the circuit during the time $\Delta $t is represented by
A.
$Q = {1 \over R}.{{\Delta \phi } \over {\Delta t}}$
B.
$Q = {{\Delta \phi } \over R}$
C.
$Q = {{\Delta \phi } \over {\Delta t}}$
D.
$Q = R.{{\Delta \phi } \over {\Delta t}}$
2001 Q32 NEET MCQ
10 Mar 2026
For a coil having L = 2 mH, current flow through it is $I = {t^2}{e^{ - t}}$ then, the time at which emf become zero
A.
2 sec
B.
1 sec
C.
4 sec
D.
3 sec