Question

A uniform electric field and a uniform magnetic field exist in
a region in the same direction. An electron is projected with
velocity pointed in the same direction. The electron will
(a) turn to its right
(b) turn to its left
(c) keep moving in the same direction but its speed will
increase
(d) keep moving in the same direction but its speed will
decrease

Answer 1

Answer:

It thing it's may be (c) but I'm not completely sure

Explanation:

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Answer 2

Answer:

Correct option (b) speed will decrease

No magnetic force acts on the electron and force due to electric field will act opposite to its initial direction of motion. Hence, its velocity decreases in magnitude

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