Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations

Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations of 1.5×10⁺¹⁶ m⁻³. Dopping by indium, nh increases to 3×10²² m⁻³. What is nₑ in doped Si?

Options

(a) 2.5×10⁹ m⁻³
(b) 5.5×10⁹ m⁻³
(c) 7.5×10⁹ m⁻³
(d) 6×10⁷ m⁻³

Correct Answer:

7.5×10⁹ m⁻³

Explanation:

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

admin:

Related Questions

  1. A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined
  2. Tangent galvanometer is used to measure
  3. A solid sylinder of mass 3 kg is rolling on a horizontal surface with velocity 4 ms⁻¹
  4. An engine pumps water continuously through a hose. Water leaves the hose
  5. A galvanometer acting as a voltmeter will have