A charged particle moves along a circle under the action of possible constant electric and magnetic fields. Which of the following are possible?

E = 0, B = 0

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E = 0, B \neq 0

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E \neq 0, B = 0

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E \neq 0, B \neq 0

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Solution

The correct option is B $E = 0, B \neq 0$
A charged particle moves along a circle. That means Magnetic force provides centripetal force that causes particle to move in a circle. Hence, E=0, B $\neq$ 0.

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A charged particle moves along a circle under the action of possible constant electric and magnetic fields. Which of the following are possible?

The correct option is B E=0,B≠0A charged particle moves along a circle. That means Magnetic force provides centripetal force that causes particle to move in a circle. Hence, E=0, B ≠ 0.

The correct option is B $E = 0, B \neq 0$
A charged particle moves along a circle. That means Magnetic force provides centripetal force that causes particle to move in a circle. Hence, E=0, B $\neq$ 0.