Chapter 5 Electric Field in Material Space MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. . Conductors are materials that allow (A) Allow the flow of heat (B) Does not allow heat to flow (C) Allow cold to flow (D) Stops cold from passing throughShow All Answers 2. . With the increase in temperature the resistance of semiconductors (A) Decreases (B) Increases (C) Remains Constant (D) Initially increases and then decreasesShow All Answers 3. . The transfer of thermal energy by means of currents in a fluid is called (A) Conversion (B) Radiation (C) Convection (D) ConductionShow All Answers 4. . In free space, which of the following will be zero? (A) Permittivity (B) Permeability (C) Conductivity (D) ResistivityShow All Answers 5. . Dipoles are created when dielectric is placed in? (A) Magnetic field (B) Electric field (C) Vacuum (D) Inert EnvironmentShow All Answers 6. . Polarization is defined as the dipole moment per unit _______? (A) Length (B) Area (C) Volume (D) TimeShow All Answers 7. . The charge within a conductor will be? (A) 1 (B) 1 (C) 0 (D) InfinityShow All Answers 8. . Which component of the electric field intensity is always continuous at the boundary? (A) Tangential (B) Normal (C) Horizontal (D) VerticalShow All Answers 9. . The normal component of which quantity is always discontinuous at the boundary? (A) E (B) D (C) H (D) BShow All Answers 10. . Differential form of Gauss’s law in magnetostatics is _________? (A) div B = ρ/ε₀ (B) div B = 0 (C) div B = -dB/dT (D) div B = μJShow All Answers
