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  • Answer please! A uniform electric field and uniform magnitic field are acting along the same direction in a certain region. If an electron is projected in the region such that its velocity is pointed along the direction of field, then the electron

A uniform electric field and uniform magnitic field are acting along the same direction in a certain region. If an electron is projected in the region such that its velocity is pointed along the direction of field, then the electron

  • Option 1)

    Will turn towards right of direction of motion

  • Option 2)

    Speed will decrease

  • Option 3)

    Speed will increase

  • Option 4)

    Will turn towards left direction of motion

 

Answers (2)

best_answer

 

Magnetic force If B=0 -

F=qVBsin heta

F=0

-

 

 There is no force applied by magnetic field while electric field will apply force opposite to direction of velocity. Hence speed will decrease 

 


Option 1)

Will turn towards right of direction of motion

This solution is incorrect 

Option 2)

Speed will decrease

This solution is correct 

Option 3)

Speed will increase

This solution is incorrect 

Option 4)

Will turn towards left direction of motion

This solution is incorrect 

Posted by

Plabita

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Speed will decrease

Posted by

Anshul Yadav

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