A conductor in the form of a right angle ABC, with AB = 3 cm and BC = 4cm. Carries a current of 10A. There is a uniform magnetic field of 5T perpendicular to the plane of the conductor. The force on the conductor will be (in Newton)
A short bar magnet of magnetic moment 0.4 J T–1 is place in a uniform magnetic field of 0.16 T. The magnetic field of 0.16 T. The magnetic is stable equilibrium when the potential energy (in Joules) is.
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A beam of protons enters a uniform magnetic field of 0.3T with velocity of 4 × 105 m/s in a direction making an angle of 60° with the direction of magnetic field, the pitch of the helix (in metres) will be :
The magnetic flux density at a point distant d from a long straight current carrying conductor is B, then its value at distance d/2 will be αB. Find the value of α.
A beam of protons enters a uniform magnetic field of 0.3T with velocity of 4 × 105 m/s in a direction making an angle of 60° with the direction of magnetic field, the radius (in metres) of path of the particle will be :
A particle of mass 0.6 g and having charge of 25 nC is moving horizontally with a uniform velocity 1.2 × 104 ms–1 in a uniform magnetic field, then the value of magnetic induction (in Tesla) is. (Take g = 10ms-2)
A particle having a charge of 10.0µC and mass 1µg moves in circle of radius 10cm under the influence of a magnetic field of induction 1T. When the particle is at a point P, a uniform electric field is switched on so that the particle starts moving along the tangent with a uniform velocity. The electric field (in V/m) is
A 0.5 m long straight wire in which a current of 1.2 A is flowing is kept a right angles to a uniform magnetic field of 2.0 tesla. The force (in Newton) acting on the wire will be
The ratio of magnetic inductions at the centre of a circular coil of radius a and on its axis at a distance equal to its radius, will be :
A particle of mass 1.6 × 10–27 kg and charge 1.6 × 10–19 coulomb enters a uniform magnetic field of 1 Tesla as shown in the figure. The speed of the particle is 107 m/s. The distance PQ (in metres) will be :