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- 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
- #Engineering
- #Physics
- #Class 12
- #Magnetic Effects of Current and Magnetism
- #JEE Main
- #Joint Entrance Examination Main
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 :
Both Statement I and Statement II are correct.
Both Statement I and Statement II are incorrect.
Statement I is correct but Statement II is incorrect.
Statement I is incorrect but Statement II is correct.
Answers (1)
Electric force can perform work on charge particles but work done by magnetic force on charge particles is always zero.
Hense statement I is true.
The magnetic force acting on the moving charged particle along the direction of the magnetic field is zero.
So Hense statement II is false.
Hence the correct option is 3
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