Chapter 2 COORDINATE SYSTEMS AND MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. . All physical quantities in electromagnetics are functions of: (A) Time only (B) Space only (C) Both space and time (D) Neither space nor timeShow All Answers 2. . To describe spatial variations of quantities in space, we need: (A) A graph (B) A suitable coordinate system (C) A calculator (D) A timerShow All Answers 3. . A point or vector can be represented in a: (A) Only Cartesian coordinate system (B) Any curvilinear coordinate system (C) Only spherical coordinate system (D) Only cylindrical coordinate systemShow All Answers 4. . An orthogonal coordinate system is one in which: (A) Coordinates are parallel (B) Coordinates are mutually perpendicular (C) Coordinates are curved (D) Coordinates are imaginaryShow All Answers 5. . Examples of orthogonal coordinate systems include: (A) Cartesian, Circular/Cylindrical, Spherical (B) Polar only (C) Rectangular only (D) None of theseShow All Answers 6. . Choosing the best coordinate system for a problem: (A) Wastes time (B) Saves work and time (C) Makes problems harder (D) Is irrelevantShow All Answers 7. . A complicated problem in one coordinate system: (A) Always stays complicated (B) Can become easier in another system (C) Cannot be solved (D) Has no solutionShow All Answers 8. . Sometimes it is necessary to: (A) Avoid using coordinate systems (B) Transform points and vectors from one system to another (C) Use only Cartesian coordinates (D) Use imaginary numbersShow All Answers 9. . A curvilinear coordinate system can be: (A) Only orthogonal (B) Only non-orthogonal (C) Either orthogonal or non-orthogonal (D) Neither orthogonal nor non-orthogonalShow All Answers 10. . The purpose of using a suitable coordinate system is to: (A) Represent points and vectors uniquely in space (B) Increase the complexity of calculations (C) Avoid using vectors (D) Represent only scalar quantitiesShow All Answers