1

JEE Advanced 2021 Paper 2 Online

MCQ (More than One Correct Answer)

+4

-2

Two concentric circular loops, one of radius R and the other of radius 2R, lie in the xy-plane with the origin as their common center, as shown in the figure. The smaller loop carries current I

_{1}in the anti-clockwise direction and the larger loop carries current I_{2}in the clockwise direction, with I_{2}> 2I_{1}. $$\overrightarrow B $$(x, y) denotes the magnetic field at a point (x, y) in the xy-plane. Which of the following statement(s) is(are) correct?2

JEE Advanced 2021 Paper 1 Online

MCQ (More than One Correct Answer)

+4

-2

A long straight wire carries a current, I = 2 ampere. A semi-circular conducting rod is placed beside it on two conducting parallel rails of negligible resistance. Both the rails are parallel to the wire. The wire, the rod and the rails lie in the same horizontal plane, as shown in the figure. Two ends of the semi-circular rod are at the distances 1 cm and 4 cm from the wire. At time t = 0, the rod starts moving on the rails with a speed v = 3.0 m/s (see the figure).

A resistor R = 1.4 $$\Omega$$ and a capacitor C

A resistor R = 1.4 $$\Omega$$ and a capacitor C

_{0}= 5.0$$\mu$$F are connected in series between the rails. At time t = 0, C_{0}is uncharged. Which of the following statement(s) is(are) correct? [$$\mu$$_{0}= 4$$\pi$$ $$\times$$ 10^{$$-$$7}SI units. Take ln 2 = 0.7]3

JEE Advanced 2018 Paper 1 Offline

MCQ (More than One Correct Answer)

+4

-1

Two infinitely long straight wires lie in the $$xy$$-plane along the lines $$x = \pm R.$$ The wire located at $$x = + R$$ carries a constant current $${I_1}$$ and the wire located at $$x=-R$$ carries a constant current $${I_2}.$$ A circular loop of radius $$R$$ is suspended with its center at $$\left( {0,0,\sqrt 3 R} \right)$$ and in a plane parallel to the $$xy$$-plane. This loop carries a constant current $$I$$ in the clockwise direction as seen from above the loop. The current in the wire is taken to be positive if it is in the $$ + \widehat j$$ direction. which of the following statements regarding the magnetic field $$\overrightarrow B $$ is (are) true?

4

JEE Advanced 2017 Paper 2 Offline

MCQ (More than One Correct Answer)

+4

-1

A uniform magnetic field $$B$$ exist in the region between $$x=0$$ and $$x = {{3R} \over 2}$$ (region $$2$$ in the figure) pointing normally into the plane of the paper. A particle with charge $$+Q$$ and momentum $$p$$ directed along $$x$$-axis enters region $$2$$ from region $$1$$$ at point $${P_1}\left( y \right) = - R).$$ Which of the following option(s) is/are correct?

Questions Asked from Magnetism (MCQ (Multiple Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

JEE Advanced 2024 Paper 2 Online (1)
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JEE Advanced 2013 Paper 2 Offline (1)
JEE Advanced 2013 Paper 1 Offline (1)
IIT-JEE 2012 Paper 1 Offline (1)
IIT-JEE 2011 Paper 1 Offline (1)
IIT-JEE 2008 Paper 1 Offline (1)

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