A uniform electric field and a uniform magnetic field are produced, pointed in the same direction. An electron is projected with its velocity pointing in the same direction :

The electron will turn to its left

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The electron will turn to its right

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The electron velocity will increase in magnitude

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The electron velocity will decrease in magnitude

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Solution

The correct option is D The electron velocity will decrease in magnitude
There will be no force on electron due to magnetic field (because of parallel motion), but due to force applied by electric field, velocity of electron will decrease.

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Similar questions

A uniform magnetic field and a uniform electric field are produced pointed in the same direction. an electron is projected with its velocity in the same direction

(A) the electron will turn to its right

(B) the electron will turn to its left

D) the electrons velocity will decrease in magnitude

Ans given is option D

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A uniform electric field and a uniform magnetic field are produced, pointed in the same direction. An electron is projected with its velocity pointing in the same direction :

The correct option is D The electron velocity will decrease in magnitudeThere will be no force on electron due to magnetic field (because of parallel motion), but due to force applied by electric field, velocity of electron will decrease.

The correct option is D The electron velocity will decrease in magnitude
There will be no force on electron due to magnetic field (because of parallel motion), but due to force applied by electric field, velocity of electron will decrease.