An electron enters with its velocity in the direction of the uniform electric lines of force. Consider lines of force to be straight. Then

The path of the electron will be a circle

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The path of the electron will be a parabola

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The magnitude of velocity of the electron will first decrease and then increase

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The magnitude of velocity of the electron will first increase and then decrease

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Solution

The correct option is C The magnitude of velocity of the electron will first decrease and then increase
As electric field applies the force on electron in the direction opposite to it’s motion, the velocity of the electron will decrease.

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An electron enters with its velocity in the direction of the uniform electric lines of force. Consider lines of force to be straight. Then

The correct option is C The magnitude of velocity of the electron will first decrease and then increaseAs electric field applies the force on electron in the direction opposite to it’s motion, the velocity of the electron will decrease.

The correct option is C The magnitude of velocity of the electron will first decrease and then increase
As electric field applies the force on electron in the direction opposite to it’s motion, the velocity of the electron will decrease.