A charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls

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A charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls nor rises. The charge on the drop will be (Take the mass of the charge=9.9×10⁻¹⁵ kg and g=10 m/s²)

Options

(a) 3.3×10⁻¹⁸ C
(b) 3.2×10⁻¹⁸ C
(c) 1.6×10⁻¹⁸ C
(d) 4.8×10⁻¹⁸ C

Correct Answer:

3.3×10⁻¹⁸ C

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)

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