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

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.

admin:

Related Questions

  1. In which of the following systems will the radius of the first orbit (n=1) be minimum?
  2. If R is the radius of the earth and g is the acceleration due to gravity
  3. When a mass M is attached to the spring of force constant k,
  4. In the equation y=asin(?t+kx),the dimensionals formula of ? is
  5. The temperature coefficient of resistance of an alloy used for making resistor is