Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Two identical particles having the same mass m and charges +q and -q seperated by a distance d enter a uniform magnetic field B directed perpendicular to paper inwards with speeds v1 and v2 as shown in figure. The particles will not collide if
14
Oct
Two identical particles having the same mass m and charges +q and -q seperated by a distance d enter a uniform magnetic field B directed perpendicular to paper inwards with speeds v1 and v2 as shown in figure. The particles will not collide if A small block of mass m An electron is accelerated from [...]
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A small block of mass m ,
An electron is accelerated from rest through a potential difference V. This electron experiences a force F in a uniform magnetic field. On increasing the potential difference to V' ,
having charge q ,
the force experienced by the electron in the same magnetic field becomes 2F. Then ,
the ratio (V'/V) is equal to ,
In the figure shown a coil single turn is wound on a sphere of radius r and mass m. The plane of the coil is parallel to the inclined plane and lies in the equatorial plane of the sphere. If sphere is in rotational equilibrium the value of B is ( current in the coil is i)
14
Oct
In the figure shown a coil single turn is wound on a sphere of radius r and mass m. The plane of the coil is parallel to the inclined plane and lies in the equatorial plane of the sphere. If sphere is in rotational equilibrium the value of B is ( current in the coil [...]
Tags:
A small block of mass m ,
An electron is accelerated from rest through a potential difference V. This electron experiences a force F in a uniform magnetic field. On increasing the potential difference to V' ,
having charge q ,
the force experienced by the electron in the same magnetic field becomes 2F. Then ,
the ratio (V'/V) is equal to ,
A uniform conducting rectangular loop of sides l, b and mass m carrying current i is hanging horizontally with the help of two vertical strings. There exists a uniform horizontal magnetic field B which is parallel to the longer side of loop. The value of tension which is least is
14
Oct
A uniform conducting rectangular loop of sides l, b and mass m carrying current i is hanging horizontally with the help of two vertical strings. There exists a uniform horizontal magnetic field B which is parallel to the longer side of loop. The value of tension which is least is A small block of mass [...]
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A small block of mass m ,
A uniform conducting rectangular loop of sides l ,
An electron is accelerated from rest through a potential difference V. This electron experiences a force F in a uniform magnetic field. On increasing the potential difference to V' ,
having charge q ,
the force experienced by the electron in the same magnetic field becomes 2F. Then ,
the ratio (V'/V) is equal to ,
Consider a hypothetic spherical body. The body is cut into two parts about the diameter. One of hemispherical portion has mass distribution m while the other portion has identical charge distribution q. The body is rotated about the axis with constant speed ω. Then, the ratio of magnetic moment to angular momentum is
14
Oct
Consider a hypothetic spherical body. The body is cut into two parts about the diameter. One of hemispherical portion has mass distribution m while the other portion has identical charge distribution q. The body is rotated about the axis with constant speed ω. Then, the ratio of magnetic moment to angular momentum is A small [...]
Tags:
A small block of mass m ,
An electron is accelerated from rest through a potential difference V. This electron experiences a force F in a uniform magnetic field. On increasing the potential difference to V' ,
having charge q ,
the force experienced by the electron in the same magnetic field becomes 2F. Then ,
the ratio (V'/V) is equal to ,
In figure, there is a uniform conducting structure in which each small square has side a . The structure is kept in a uniform in a uniform magnetic force on the structure will be
14
Oct
In figure, there is a uniform conducting structure in which each small square has side a . The structure is kept in a uniform in a uniform magnetic force on the structure will be In figure there is a uniform conducting structure in which each small square has side a . The structure is kept [...]
A small block of mass m, having charge q, is placed on a frictionless inclined plane making an angle θ with the horizontal. There exists a uniform magnetic field B parallel to the inclined plane but perpendicular to the length of spring. If m is slightly pulled on the incline in downward direction, the time period of oscillation will be (assume that the block does not leave contact with the plane)
14
Oct
A small block of mass m, having charge q, is placed on a frictionless inclined plane making an angle θ with the horizontal. There exists a uniform magnetic field B parallel to the inclined plane but perpendicular to the length of spring. If m is slightly pulled on the incline in downward direction, the time [...]
Tags:
A small block of mass m ,
An electron is accelerated from rest through a potential difference V. This electron experiences a force F in a uniform magnetic field. On increasing the potential difference to V' ,
having charge q ,
the force experienced by the electron in the same magnetic field becomes 2F. Then ,
the ratio (V'/V) is equal to ,
A conducting ring of mass 2 kg and radius 0.5 m is placed on a smooth plane. The ring carries a current of i=4A. A horizontal magnetic field B=10T is switched on at time t = 0 as shown in fig The initial angular acceleration of the ring will be
14
Oct
A conducting ring of mass 2 kg and radius 0.5 m is placed on a smooth plane. The ring carries a current of i=4A. A horizontal magnetic field B=10T is switched on at time t = 0 as shown in fig The initial angular acceleration of the ring will be An electron is accelerated from [...]
Tags:
An electron is accelerated from rest through a potential difference V. This electron experiences a force F in a uniform magnetic field. On increasing the potential difference to V' ,
the force experienced by the electron in the same magnetic field becomes 2F. Then ,
the ratio (V'/V) is equal to ,
A straight peice of conducting wire with mass M and length L is placed on a frictionless incline tilited at an angle θ from the horizontal (as shown in fig) There is a uniform. Vertical magnetic field at all points (produced by an arrangement of magnets not shown in fig. To keep the wire from sliding down the incline, a voltage source is
14
Oct
A straight peice of conducting wire with mass M and length L is placed on a frictionless incline tilited at an angle θ from the horizontal (as shown in fig) There is a uniform. Vertical magnetic field at all points (produced by an arrangement of magnets not shown in fig. To keep the wire from [...]
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An electron is accelerated from rest through a potential difference V. This electron experiences a force F in a uniform magnetic field. On increasing the potential difference to V' ,
the force experienced by the electron in the same magnetic field becomes 2F. Then ,
the ratio (V'/V) is equal to ,
A particle of specific charge alpha is projected from origin with velocity v = v0i – v0k in a uniform magnetic field B = -B0K. Find tim,e dependence of velocity of the particle.
14
Oct
A particle of specific charge alpha is projected from origin with velocity v = v0i – v0k in a uniform magnetic field B = -B0K. Find tim,e dependence of velocity of the particle. A particle of specific charge alpha is projected from origin with velocity v = v0i - v0k in a uniform magnetic field [...]
Two straight segments of wire ab and bc each carrying current I, are placed as shown in fig. The cube edge is 50 cm and magnetic field is uniform along y-axis having magnitude 0.4 T. If I = 3 A, the force experienced by wire abc in the presence of magnetic field is
14
Oct
Two straight segments of wire ab and bc each carrying current I, are placed as shown in fig. The cube edge is 50 cm and magnetic field is uniform along y-axis having magnitude 0.4 T. If I = 3 A, the force experienced by wire abc in the presence of magnetic field is are placed [...]