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A bar magnet is released from rest and starts falling through a metal ring as shown in fig, consider ywo cases , in case (I) the ring is solid all the way around, but in case (II) it has been cut through. discuss the motion of the magnet in both cases when it is above the ring and below the ring as well.
05
Sep
A bar magnet is released from rest and starts falling through a metal ring as shown in fig, consider ywo cases , in case (I) the ring is solid all the way around, but in case (II) it has been cut through. discuss the motion of the magnet in both cases when it is above [...]
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A bar magnet is released from rest and starts falling through a metal ring as shown in fig ,
but in case (II) it has been cut through. discuss the motion of the magnet in both cases when it is above the ring and below the ring as well. ,
consider ywo cases ,
in case (I) the ring is solid all the way around ,
A slightly divergent beam of charged particles accelerated by a Potential difference B propagates from a point A along the axis of solenoid. The beam is brought into focus at a distance l from the point A at two successive values of magnetic induction B1 and B2 . If the specific charge q/m of the particles
05
Sep
A slightly divergent beam of charged particles accelerated by a Potential difference B propagates from a point A along the axis of solenoid. The beam is brought into focus at a distance l from the point A at two successive values of magnetic induction B1 and B2 . If the specific charge q/m of the [...]
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A rectangular loop PQRS made from a uniform wire has length a ,
which remains hinged along a horizontal line taken as the y-axis (see figure). Take the vertically upward direction as the z-axis. A uniform magnetic field B = (3iˆ+4kˆ)B0 exists in the region. ,
width b and mass m. It is free to rotate about the arm PQ ,
A particle is projected with certain velocity at an angle α above the horizontal from the foot of an inclined plane of inclination 30 . If the particle strikes the plane normally then α is equal to
05
Sep
A particle is projected with certain velocity at an angle α above the horizontal from the foot of an inclined plane of inclination 30 . If the particle strikes the plane normally then α is equal to A particle is projected with certain velocity at an angle α above the horizontal from the foot of [...]
The horizontal range and maximum height attained by a projectile are R and H , respectively. If a constant horizontal acceleration a = g/4 is imparted to the projectile due to wind, then its horizontal range and maximum height will be
05
Sep
The horizontal range and maximum height attained by a projectile are R and H , respectively. If a constant horizontal acceleration a = g/4 is imparted to the projectile due to wind, then its horizontal range and maximum height will be respectively. If a constant horizontal acceleration a = g/4 is imparted to the projectile [...]
A moving coil galvanometer has a coil of area A and number of turns N. A magnetic field B is applied on it. The torque acting on it is given by t = ki where i is current through the coil. If moment of inertia of the coil is l about the axis of rotation
05
Sep
A moving coil galvanometer has a coil of area A and number of turns N. A magnetic field B is applied on it. The torque acting on it is given by t = ki where i is current through the coil. If moment of inertia of the coil is l about the axis of rotation [...]
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A rectangular loop PQRS made from a uniform wire has length a ,
which remains hinged along a horizontal line taken as the y-axis (see figure). Take the vertically upward direction as the z-axis. A uniform magnetic field B = (3iˆ+4kˆ)B0 exists in the region. ,
width b and mass m. It is free to rotate about the arm PQ ,
An insulated circular loop wires rests upon a long straignt wire such that the center of the loop lies on the wire. both the wire and loop are in the same horizontal plane as shown in fig, the current I in the atraight wire is decreasing. in what direction is the induced current , if any, in the loop?
05
Sep
An insulated circular loop wires rests upon a long straignt wire such that the center of the loop lies on the wire. both the wire and loop are in the same horizontal plane as shown in fig, the current I in the atraight wire is decreasing. in what direction is the induced current , if [...]
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An insulated circular loop wires rests upon a long straignt wire such that the center of the loop lies on the wire. both the wire and loop are in the same horizontal plane as shown in fig ,
if any ,
in the loop? ,
the current I in the atraight wire is decreasing. in what direction is the induced current ,
A body of mass m is projected horizontally with a velocity v from the top of a tower of height h and it reaches the ground at a distance x from the foot of the tower. If a second body of mass 2m is projected horizontally from the top of a tower of height 2h, it reaches the ground at a distance 2x from the foot of the tower. The horizontal velocity of the second body is-
05
Sep
A body of mass m is projected horizontally with a velocity v from the top of a tower of height h and it reaches the ground at a distance x from the foot of the tower. If a second body of mass 2m is projected horizontally from the top of a tower of height 2h, [...]
Two balls A and B are thrown with speeds u and u/2, respectively. Both the balls cover the same horizontal distance before returning to the plane of projection. If the angle of projection of ball B is 15 with the horizontal, then the angle of projection of A is:
05
Sep
Two balls A and B are thrown with speeds u and u/2, respectively. Both the balls cover the same horizontal distance before returning to the plane of projection. If the angle of projection of ball B is 15 with the horizontal, then the angle of projection of A is: respectively. Both the balls cover the [...]
A ring of radius R having unifromly distributed charge Q is mounted on a rod suspended by two identical strings. The tension in strings in equilibrium is T0. Now a vertical magnetic field is switched on and ring is rotated at constant angular velocity ω. Find the maximum ω with which the ring
05
Sep
A ring of radius R having unifromly distributed charge Q is mounted on a rod suspended by two identical strings. The tension in strings in equilibrium is T0. Now a vertical magnetic field is switched on and ring is rotated at constant angular velocity ω. Find the maximum ω with which the ring A rectangular [...]
Tags:
A rectangular loop PQRS made from a uniform wire has length a ,
which remains hinged along a horizontal line taken as the y-axis (see figure). Take the vertically upward direction as the z-axis. A uniform magnetic field B = (3iˆ+4kˆ)B0 exists in the region. ,
width b and mass m. It is free to rotate about the arm PQ ,
A particle is projected from the ground with an initial speed of u at an angle of projection θ. The average velocity of the particle between its time of projection and time it reaches highest point of trajectory is :
05
Sep
A particle is projected from the ground with an initial speed of u at an angle of projection θ. The average velocity of the particle between its time of projection and time it reaches highest point of trajectory is : P is equal to The speed of a projectile at its maximum height is root [...]