Correct Option selected Wrong Option selected Correct Option Open QuestionNot Answered 1 Which of the following best describes a fractional pitch coil in an electrical machine? A The coil covers more than two poles B The coil span is less than the pole pitch C The coil span is greater than the pole pitch D The coil span is equal to the pole pitch 2 Fires involving materials such as paper, wood, and textiles fall under which fire classification? A Class A B Class B C Class C D Class F 3 What is the primary principle by which an electric stove generates heat for cooking? A Chemical reaction B Electromechanical conversion C Electromagnetic induction D Resistive heating 4 At absolute zero temperature, how does an undoped (intrinsic) semiconductor behave, and what does this imply for its use in electronic devices? A Insulator - making it unsuitable for conduction without doping or heat B Perfect diode - enabling unidirectional current flow at zero voltage C Superconductor - allowing ...