Electromagnetic Induction PYQs - Last 10 Years

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Practice 21 KCET Physics questions from Electromagnetic Induction. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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2017-2026

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Last 10 Years Electromagnetic Induction Questions

Showing 21 of 21 filtered questions.

1Electromagnetic Induction

In Faraday-Henry's experiment, a coil is connected to a galvanometer. For the deflection of pointer in the galvanometer, which of the following statement/s is/are WRONG?The pointer in the galvanometer deflects -(a) When the bar magnet is mo...

2Electromagnetic Induction

In the figure shown, the conductor PQ of length $l$ is moved from $x = 0$ to $x = b$ and then up to $x = 2b$ with a constant velocity $\vec{v}$. A uniform magnetic field $\vec{B}$ is perpendicular to the plane of the paper and extends from ...

3Electromagnetic Induction

When a bar magnet is pushed towards the coil, along its axis, as shown in the figure, the galvanometer pointer deflects towards X . When this magnet is pulled away from the coil, the galvanometer pointer

4Electromagnetic Induction

In the figure, a conducting ring of certain resistance is falling towards a current carrying straight long conductor. The ring and conductor are in the same plane. Then, the

5Electromagnetic Induction

A square loop of side length $a$ is moving away from an infinitely long current carrying conductor at a constant speed $v$ as shown. Let $x$ be the instantaneous distance between the long conductor and side $A B$. The mutual inductance $M$ ...

6Electromagnetic Induction

An induced current of 2 A flows through a coil. The resistance of the coil is $10 \Omega$. What is the change in magnetic flux associated with the coil in 1 ms ?

7Electromagnetic Induction

A metallic rod of length \(1 \mathrm{~m}\) held along east-west direction is allowed to fall down freely. Given horizontal component of earth's magnetic field \(B_H=3 \times 10^{-5} \mathrm{~T}\). the emf induced in the rod at an instant $$...

8Electromagnetic Induction

The current in a coil changes from \(2 \mathrm{~A}\) to \(5 \mathrm{~A}\) in \(0.3 \mathrm{~s}\). The magnitude of emf induced in the coil is \(1.0 \mathrm{~V}\). The value of self-inductance of the coil is

9Electromagnetic Induction

A square loop of side \(2 \mathrm{~cm}\) enters a magnetic field with a constant speed of \(2 \mathrm{~cm} \mathrm{~s}^{-1}\) as shown. The front edge enters the field at \(t=0 \mathrm{~s}\). Which of the following graph correctly depicts t...

10Electromagnetic Induction

A magnetic field of flux densiity \(1.0 \mathrm{~Wb} \mathrm{~m}^{-2}\) acts normal to a 80 turn coil of \(0.01 \mathrm{~m}^2\) area. If this coil is removed from the field in \(0.2 \mathrm{~s}\), then the emf induced in it is

11Electromagnetic Induction

A long solenoid has 500 turns, when a current of \(2 \mathrm{~A}\) is passed through it, the resulting magnetic flux linked with each turn of the solenoid is \(4 \times 10^{-3} \mathrm{~Wb}\), then self induction of the solenoid is

12Electromagnetic Induction

The current following through an inductance coil of self-inductance \(6 \mathrm{~mH}\) at different time instants is as shown. The emf induced between \(t=20 \mathrm{~s}\) and \(t=40 \mathrm{~s}\) is nearly

13Electromagnetic Induction

The physical quantity which is measure in the unit of wb \(\mathrm{A}^{-1}\) is

14Electromagnetic Induction

A rod of length \(2 \mathrm{~m}\) slides with a speed of \(5 \mathrm{~ms}^{-1}\) on a rectangular conducting frame as shown in figure. There exists a uniform magnetic filed of \(0.04 \mathrm{~T}\) perpendicular to the plane of the figure. I...

15Electromagnetic Induction

The current in a coil of inductance \(0.2 \mathrm{H}\) changes from \(5 \mathrm{~A}\) to \(2 \mathrm{~A}\) in \(0.5 \mathrm{~s}\). The magnitude of the average induced emf in the coil is

16Electromagnetic Induction

Consider the situation given in figure. The wire \(A B\) is slid on the fixed rails with a constant velocity. If the wire \(A B\) is replaced by a semicircular wire, the magnitude of the induced current will

17Electromagnetic Induction

The magnetic flux linked with a coil varies as $\phi=3 t^2+4 t+9$. The magnitude of the emf induced at $t=2 \mathrm{~s}$ is

18Electromagnetic Induction

A step-up transformer operates on a 230 V "ne and a load current of 2 A . The ratio of primary and secondary windings is $1: 25$. Then, the current in the primary is

19Electromagnetic Induction

A bar magnet is allowed to fall vertically through a copper coil placed in a horizontal plane. The magnet falls with a net acceleration, is

20Electromagnetic Induction

The working of magnetic braking of trains is based on

21Electromagnetic Induction

A jet plane of wing span 20 m is travelling towards west at a speed of $400 \mathrm{~ms}^{-1}$. If the earth's total magnetic field is $4 \times 10^{-4} \mathrm{~T}$ and the dip angle is $30^{\circ}$, at that place, then the voltage differe...