A cyclotron is being used to accelerate positive ions mass is `6.7xx10^(-27)kg` and charge is `3.2xx10^(-19)C` has a magnetic field of `pi/2T`. What must be the value of frequency of the applied alternating electric field to be used in it?

A proton beam is being accelerated by a cyclotron. Each of the dees has a radius of 1.2 m, and a magnetic field of 0.2 Wb.m^(-2) is applied normal to them. What is the frequency of the alternating emf applied across the dees,

An electron (mass =9xx10^(-31)kg , charge= 1.6xx10^(-19)C) enters a magnetic field with velocity 10^(6)m*s^(-1) and starts rotating in a circular path of radius 10 cm. What is the magnetic field ?

The magnetic field at a point in air is 8.8xx10^(-6)T and the magnetic intensity ( in A.m^(-1) ) is (n+0.006) . What is the value of n ? Take pi be 3.14.

To keep a water drop of charge 1.0xx10^(-7)muC and mass 10mug in equilibrium, what should be the intensity of a static electric field?

Charge of an alpha- particle is +3.2xx10^(-19)C . What force will act on the alpha - particle in an electric field of intensity "4000 N.C"^(-1) ?

A granite rod of 60 cm length is clamped at its middle point and is set into longitudinall vibrations. The density of granite is 2.7 xx 10^(3) kg//m^(3) and its Young's modulus is 9.27 xx 10^(10) Pa. What will be the fundamental frequency of the longitudinal vibrations?

An electron (mass =9.1xx10^(-31)kg , charge =-1.6xx10^(-19)C ) completes one revolution in 10^(-8) s in its circular orbit on a plane perpendicular to a uniform magnetic field. Determine the magnetic field.