A “Hole” in a semiconductor is produced when an electron breaks away from a covalent bond in a semiconductors. Which of the following statements regarding a hole is incorrect?
(1) A hole has same magnitude of charge as on an electron
(2) In an external eletric field a hole moves in a direction opposite to that of free electron
(3) The energy of a hole is less as compared to that of an electron
(4) In same external applied electric field the drift speed accquired by a hole is less than the drift speed accquired by a free electron
