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A charged sphere of mass m and charge q starts sliding from rest on a vertical fixed circular track of radius R from the position as shown in figure. There exists a uniform and constant horizontal magnetic field of induction B A magnetic field has a magnitude of 1.5 * 10^-3 T and an electric [...]

A bar magnet of length of 0.1 m has a pole strength of 50 Am. Calculate the magnetic field at a distance of 0.2 m from its center on (i) its axial line and (ii) its equatorial line. A bar magnet of length of 0.1 m has a pole strength of 50 Am. Calculate the [...]

A magnetic field has a magnitude of 1.5 * 10^-3 T, and an electric field 6 m/s as a magnitude of 4.0 * 10^3 N/c. Both fields point in the same direction. A positive 1.8 muC charge moves at a speed of 2.0 * 10 ^6 m/s A magnetic field has a magnitude of 1.5 [...]

A bar magnet is 0.1 m long and its pole strength is 12 Am. Find the magnetic induction at a point on its axis at a distance of 0.2 m from its center. A bar magnet is 0.1 m long and its pole strength is 12 Am. Find the magnetic induction at a point on [...]

Two equal and unlike poles placed 5 cm apart in air attract each other with a force of 14.4 × 10^-4N.How far from each other should they be placed so that the force of attraction will be 1.6×10^-4 N Two equal and unlike poles placed 5 cm apart in air attract each other with a [...]

In figure given, an electron gets accelerated from rest through potential difference V1 = 500 V. It enters the gap between two parallel plates haven separation d = 20.0 mm and potential difference v2 = 100v. an electron gets accelerated from rest through potential difference V1 = 500 V. It enters the gap between two [...]

Two identical thin bar magnets each of length l and pole strength m are placed at right angle to each other with north pole of one touching south pole of the other. Magnetic moment of the system is Two identical thin bar magnets each of length l and pole strength m are placed at right [...]

A bar magnet of magnetic moment 5 Am^2 has poles 20 cm apart . calculate the pole strength. A bar magnet of magnetic moment 5 Am^2 has poles 20 cm apart . calculate the pole strength. September 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Two masses M1 ​= 5 kg and M2​ = 10 kg are connected at the ends of an in extensible string passing over a frictionless pulley as shown. When the masses are released, then the acceleration of the masses will be: then the acceleration of the masses will be: Two masses M1 ​= 5 kg [...]

From the surface of a round wire of radius a carrying a direct current i, a positive charge q escapes with a velocity v0 perpendicular to the surface. Find what the maximum distance of the electron will ne from the axis of the wire before it turns back due to the action of the magnetic [...]