Given below are two statements :
Statement I: The electric force changes the speed of the charged particle and hence changes its kinetic energy; whereas the magnetic force does not change the kinetic energy of the charged particle.
Statement II: The electric force accelerates the positively charged particle perpendicular to the direction of electric field. The magnetic force accelerates the moving charged particle along the direction of magnetic field.
In the light of the above statements, choose the most appropriate answer from the options given below :

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Statement I is correct but Statement II is incorrect.

Statement I is incorrect but Statement II is correct.

Both Statement I and Statement II are correct.

Both Statement I and Statement II are incorrect.

answer is C.

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Detailed Solution

Electric field can change speed and kinetic energy but magnetic field can not change speed and kinetic energy, because magnetic force is always accelerates the charge particle perpendicular to the magnetic field while electric field accelerates the charge particle along the line of the electric field.

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