Draw a schematic sketch of a cyclotron. Explain briefly how it works and how it is used to accelerate the charge particles.
(i) Show that time period of ions in a cyclotron is Independent of both the speed and radius of circular. Path.
(ii) What is resonance condition gt How is it used to accelerate the charges particles ?

State the underlying principle of a cyclotron. Write briefly how this machine is used to accelerate charged particles to high energies.

With the help of labelled diagram, state the underlying principle of a cylclotron. Explain clearly how it works to accelerate the charged particles to high energies. Show that cyclotron frequency is independent of energy of the particle. Is there an upper limit on the enregy acquired by the particle? Give reason.

(a) Draw a schematic sketch of a cyclotron. Explain clearly the role of crossed electric and magnetic field in accelerating the charge. Hence derive the expression for the kinetic energy acquired by the particles. (b) An alpha -particle and a proton are relased form the centre of the cyclotron and made to accelerate. (i) Can both be accelerated at the same cyclotron frequency? Give reason to justify your answer. (ii) When they are accelerated in turn, which of the two will have higher velocity at the exit slit of the dees ?

(a) Deduce an expression for the frequency of revolution of a charged particle in a magnetic field and show that it is independent of velocity or energy of the particle. (b) Draw a schematic sketch of a cyclotron. Explain, giving the essential details of its construction, how it si used to accelerate the charged particles.

Draw a schematic diagram of a cyclotron. Explain its underlying principle and working, stating clearly the function of the electric and magnetic fields applied on a charged particle. Deduce an expression for the period of revolution and show that it does not depend on the speed of the charged particle.

(A) : In a cyclotron the time for one revolution of an ion is independent of its speed or radius of its orbit. (R) : In a cyclotron the sign of the electric field changes alternately in tune with the circular motion of particle.

Draw a graph for acceleration against time for a uniformly accelerated motion. How can it be used to find the change in speed in a certain interval of time?

If a charged particle is thrown with double the speed in a region of transverse magnetic field, how do its radius and time period of revolution change?

If a charged particle is thrown with double the speed in a region of transverse magnetic field, how do its radius and time period of revolution change?

Draw a schematic sketch of an generator describing its basic elements. State briefly its working principle. Show a plot of variation of (i) Magnetic flux and (ii) Alternating emf versus time generated by a loop of wire rotating in a magnetic field. (b) Why is choke coil needed in the use of fluorescent tubes with ac mains?