A charged paricle moving with a velocity of `2xx10^7m//s` making an angle of `30^@` with a uniform field of `3.5xx10^-4T` experiences a force of 0.07 N. find the charge.

A charged particle moves with velocity of 3 xx 10^6 m//s at right angle to a uniform field of magnetic field 0.005 T. Find the value of the charge on the particle if it experience a force of 2 xx 10^-2 N .

A charged particle moves with a velocity 3 xx 10^6 m//s at right angles to a uniform magnetic field of induction 0.005T. Find the magnitude of the charge if the particle experience a force of 2 xx 10^-2N .

An electric dipole of length 2 cm is placed with its axis making angle of 30^@ to a uniform electric field of 10^5 N//C . It experiences a torque of 17.32 Nm. The magnitude of charge on the dipole is

A force of 1.732 xx 10^-2 N acts on a particle of charge moving with a velocity 1/(1000^th) of the velocity of light in a magnetic field 2sqrt3xx 10^-5T and perpendicular to the field then q is

The conductor moving with uniform velocity of 10 m//s at right angles to the magnetic field of induction 0.4 xx 10^-4 Wb//m^2 . Calculate length of the conductor if the e.m.f. induced at the ends of conductor is 6 xx 10^-5V .

A proton enters a magnetic field of flux density 2.0 weber/m^2 with a velocity of 2 xx 10^7ms^1 at an angle of 30^@ with the field,the force on the proton will be

An electron (mass = 9 xx 10^-5 kg charge = 1.610^-510^-19 C ) moving with a very high velocity of 10^6 m//s enters a magnetic field. If it describes a circle of radius 0.1 m, then the strength of magnetic field must be

A straight conductor is moving with a velocity of 18 km//hr at right angles to magnetic field at induction 3.6 xx 10^-5T . Find length at conductor if e.m.f. developed at its end is 45xx10^-5V .

Particle A moves along X-axis with a uniform velocity of magnitude 10 m/s. Particle B moves with uniform velocity 20 m/s. along a direction making an angle of 60^(@) with the positive direction of X-axis as shwon in the figure. The relative velocity of B with respect to that of A is

A conductor of length 0.3 m moves with a uniform velocity of 10 m//s at right angles to the magnetic field of induction 0.5 xx 10^-4 Wb//m^2 . Calculate the e.m.f. induced in it.