NEET 2013 | NEET Year Wise Previous Years Questions

When a proton is released from rest in a room, it starts with an initial acceleration $$a$$₀ towards west. When it is projected towards north with a speed $$v$$₀ it moves with an initial acceleration 3$$a$$₀ towards west. The an initial accelearation 3a₀ towards west. The an initial acceleration 3$$a$$₀ toward west. The electric and magnetic fields in the room are

$${{m{a_0}} \over e}$$ east, $${{3m{a_0}} \over {e{v_0}}}$$ up

$${{m{a_0}} \over e}$$ east, $${{3m{a_0}} \over {e{v_0}}}$$ down

$${{m{a_0}} \over e}$$ west, $${{2m{a_0}} \over {e{v_0}}}$$ up

$${{m{a_0}} \over e}$$ west, $${{2m{a_0}} \over {e{v_0}}}$$ down

NEET 2013

MCQ (Single Correct Answer)

-1

A current loop in a magnetic field

can be in equilibrium in two orientations, both the equilibrium states are unstable.

can be in equilibrium in two orientations, one stable while the other is unstable.

experiences a torque whether the field is uniform or non uniform in all orientations.

can be in equilibrium in one orientation.

NEET 2013

MCQ (Single Correct Answer)

-1

A bar magnet of length $$'l'$$ and magnetic dipole moment 'M' is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be

NEET 2013 Physics - Magnetism and Matter Question 40 English

NEET 2013 Physics - Magnetism and Matter Question 40 English

$${2 \over \pi }M$$

$${M \over 2}$$

$${3 \over \pi }M$$

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