An observe in the earth frame, a positively charged particle moving to the right

Question

An observe in the earth frame, a positively charged particle moving to the right below a wire carrying current to the left feels a downward magnetic force. Which of these statements are true for an observe moving with the charged particle. The charge density of the positive ions in the wire increases The charge density of the positive ions in the wire decreases. The charge density of the positive ions in the wire remains the same. The charge density of the electrons in the wire increases. The charge density of the electrons in the wire decreases on particle. The charge density of the electrons in the wire remains the same.

Explanation / Answer

As the current in wire is not increasing or decresing so charge density of both positiv and negative charge partical will remain same .

So answer is C and F.

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