Electrical Engineering MCQs for competitive tests, job tests, university exams are provided on various Electrical and Electronics topics.
Electrical Engineering XYZ MCQs Which of the following machines have highest power factor with respect to magnetizing current: Correct answer: 3. Closed slot type machines Explanation: The correct answer is “Closed slot type machines.” Power factor is a measure of how effectively electrical power is being converted into useful work output. In the context of … Read more
Electrical Engineering XYZ MCQs DC machine is a: Correct answer: 2. Conduction machine
Electrical Engineering XYZ MCQs The electrical motor that has negative speed regulation: Correct answer: 2. Differential compound motor
Electrical Engineering XYZ MCQs The method that is used to control the speed of DC motors: Correct answer: 4. All of these Explanation: In summary, all three methods (armature circuit resistance control, supply voltage control, and field current control) can be used to control the speed of DC motors, depending on the specific requirements and … Read more
Electrical Engineering XYZ MCQs Which of the following starter is sufficient to start the DC series motor: Correct answer: 1. 2 point starter Explanation: In summary, the 2 point starter is the appropriate choice for starting a DC series motor due to its design that effectively limits the initial high current during startup.
Electrical Engineering XYZ MCQs The functions of inter poles are: Correct answer: 3. Both of these
Electrical Engineering XYZ MCQs Flux density under trailing pole tips in case of generator will: Correct answer: 2. Increase Explanation: Flux density under trailing pole tips in a generator refers to the magnetic flux density in the region under the trailing edge of the generator poles. The trailing edge is the part of the pole … Read more
Electrical Engineering XYZ MCQs Armature flux is ABC with respect to main field flux or main field poles. In this statement ABC implies: Correct answer: 2. Stationary
Electrical Engineering XYZ MCQs In a dc machine 4 pole lap winding is used. The number of parallel paths are: Correct answer: 1. 4 Explanation: In a DC machine with a 4-pole lap winding, the number of parallel paths is determined by the number of parallel conductors in each armature slot. The formula for calculating … Read more
Electrical Engineering XYZ MCQs A DC generator without commutator is essentially a: Correct answer: 2. AC generator Explanation: A DC generator without a commutator essentially becomes an AC (alternating current) generator. The commutator is a crucial component in a DC generator, responsible for converting the alternating current induced in the armature coils into direct current. … Read more