A uniform electric field E and magnetic field B are perpendicular to each other.

Question

A uniform electric field E and magnetic field B are perpendicular to each other. Which of the following statements are true? (Give ALL correct answers, i.e., B, AC, BCD...) A) If E points left and B points up, a positive charge initially moving into the screen MIGHT feel no net force. B) If E points down and B points into the screen, a negative charge initially moving to the right MIGHT feel no net force. C) If E points left and B points up, a positive charge initially moving left will change direction and move to the right. D) If E points up and B points right, a positive charge initially sitting still MUST initially feel a net force upwards. E) If E points down and B points into the screen, a positive charge initially moving to the right MUST feel no net force.

Explanation / Answer

the option B and C correct B,C

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