MAGNETIC AND SEMICONDUCTOR MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. . Natural magnet has: (A) No pole (B) One pole (C) Two poles (D) Three polesShow All Answers 2. . The term magnetism comes from the region: (A) Magnesia (B) Egypt (C) South Africa (D) RussiaShow All Answers 3. . The substances which have weak negative susceptibility to a magnetic field are materials: (A) Paramagnetic (B) Diamagnetic (C) Ferromagnetic (D) None of theseShow All Answers 4. . The substances which have a small, positive susceptibility to magnetic fields are materials: (A) Ferromagnetic (B) Paramagnetic (C) Diamagnetic (D) All of theseShow All Answers 5. . The substances which have a large, positive susceptibility to an external magnetic field are materials: (A) Magnets (B) Diamagnetic (C) Paramagnetic (D) FerromagneticShow All Answers 6. . The group of atoms pointing in the same direction is called: (A) Domain (B) Point group (C) Range (D) GangShow All Answers 7. . Number of atoms in a domain are: (A) 10² (B) 10⁴ (C) 10¹⁵ (D) 10⁶Show All Answers 8. . The temperature at which ferromagnetic substances turn into paramagnetic substances is called: (A) Curie temperature (B) Kelvin (C) Centigrade (D) FahrenheitShow All Answers 9. . Band theory of solids has explained the behaviour of: (A) Insulators (B) Conductors (C) Semiconductors (D) All of theseShow All Answers 10. . Which of the following has the greatest energy gap: (A) Insulator (B) Conductor (C) Semiconductor (D) All of theseShow All Answers