IIT-JEE 2008 Paper 1 Offline

MCQ (More than One Correct Answer)

-2

A particle of mass m and charge q, moving with velocity v enters Region II normal to the boundary as shown in the figure. Region II has a uniform magnetic field B perpendicular to the plane of the paper. The length of the Region II is $$l$$. Choose the correct choice (s).

IIT-JEE 2008 Paper 1 Offline Physics - Magnetism Question 13 English

The particle enters Region III only if its velocity $$v > {{qlB} \over m}$$

The particle enters Region III only if its velocity $$v < {{qlB} \over m}$$

Path length of the particle in Region II is maximum when velocity $$v = {{qlB} \over m}$$

Time spent in Region II is same for any velocity v as long as the particle returns to Region I

IIT-JEE 2006

MCQ (More than One Correct Answer)

-1

An infinite current-carrying wire passes through point O and in perpendicular to the plane containing a current-carrying loop ABCD as shown in the figure. Choose the correct option(s):

IIT-JEE 2006 Physics - Magnetism Question 3 English

Net force on the loop is zero.

Net torque on the loop is zero.

As seen from O , the loop rotates clockwise.

As seen from O , the loop rotates anticlockwise.

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