1
JEE Main 2021 (Online) 16th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
A conducting bar of length L is free to slide on two parallel conducting rails as shown in the figure
![JEE Main 2021 (Online) 16th March Morning Shift Physics - Electromagnetic Induction Question 69 English](https://imagex.cdn.examgoal.net/1kmilq5ig/6a67b0da-5f2d-4712-8082-dde2a0f335e6/a959ce80-89f5-11eb-9c26-d9a423ffb060/file-1kmilq5ih.jpg)
Two resistors R1 and R2 are connected across the ends of the rails. There is a uniform magnetic field $$\overrightarrow B $$ pointing into the page. An external agent pulls the bar to the left at a constant speed v.
The correct statement about the directions of induced currents I1 and I2 flowing through R1 and R2 respectively is :
![JEE Main 2021 (Online) 16th March Morning Shift Physics - Electromagnetic Induction Question 69 English](https://imagex.cdn.examgoal.net/1kmilq5ig/6a67b0da-5f2d-4712-8082-dde2a0f335e6/a959ce80-89f5-11eb-9c26-d9a423ffb060/file-1kmilq5ih.jpg)
Two resistors R1 and R2 are connected across the ends of the rails. There is a uniform magnetic field $$\overrightarrow B $$ pointing into the page. An external agent pulls the bar to the left at a constant speed v.
The correct statement about the directions of induced currents I1 and I2 flowing through R1 and R2 respectively is :
2
JEE Main 2021 (Online) 26th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
An aeroplane, with its wings spread 10 m, is flying at a speed of 180 km/h in a horizontal direction. The total intensity of earth's field at that part is 2.5 $$\times$$ 10$$-$$4 Wb/m2 and the angle of dip is 60$$^\circ$$. The emf induced between the tips of the plane wings will be __________.
3
JEE Main 2021 (Online) 24th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Figure shows a circuit that contains four identical resistors with resistance R = 2.0$$\Omega$$, two identical inductors with inductance L = 2.0 mH and an ideal battery with emf E = 9V. The current 'i' just after the switch 'S' is closed will be :
![JEE Main 2021 (Online) 24th February Evening Shift Physics - Electromagnetic Induction Question 72 English](https://app-content.cdn.examgoal.net/fly/@width/image/1la258352/b75b1fb5-df31-449b-b45d-469704b08f93/c7973860-5c0d-11ed-b429-1bdcfc436fa3/file-1la258353.png?format=png)
![JEE Main 2021 (Online) 24th February Evening Shift Physics - Electromagnetic Induction Question 72 English](https://app-content.cdn.examgoal.net/fly/@width/image/1la258352/b75b1fb5-df31-449b-b45d-469704b08f93/c7973860-5c0d-11ed-b429-1bdcfc436fa3/file-1la258353.png?format=png)
4
JEE Main 2020 (Online) 5th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
An infinitely long, straight wire carrying current
I, one side opened rectangular loop and a
conductor C with a sliding connector are
located in the same plane, as shown, in the
figure. The connector has length $$l$$ and
resistance R. It slides to the right with a
velocity v. The resistance of the conductor and
the self inductance of the loop are negligible.
The induced current in the loop, as a function
of separation r, between the connector and the
straight wire is :
![JEE Main 2020 (Online) 5th September Evening Slot Physics - Electromagnetic Induction Question 74 English](https://imagex.cdn.examgoal.net/jgy2xukforxg3c/2f4348d1-59eb-4b3d-a6f0-a812841f177f/1b351a90-02c5-11eb-8293-3b6cc591631c/file-jgy2xukforxg3d-344w.png)
![JEE Main 2020 (Online) 5th September Evening Slot Physics - Electromagnetic Induction Question 74 English](https://imagex.cdn.examgoal.net/jgy2xukforxg3c/2f4348d1-59eb-4b3d-a6f0-a812841f177f/1b351a90-02c5-11eb-8293-3b6cc591631c/file-jgy2xukforxg3d-344w.png)
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