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

$E=0, B=0$ $E \neq 0, B=0$ $E=0, B \neq 0$ $E \neq 0, B \neq 0$

$E=0, B \neq 0$

The correct answer is Option (3) → $E=0, B \neq 0$