Q6|| Answer the Following Questions: 1-Explain the construction and principle of operation of a D.C generator. 2- Compare between magnetic and an electric circuits. 3-Derive E.M.F equation of a D.C generator, and what are the factors on which the E.M.F depends?

44 - A - the regulation curve of a DC generator shows the relation between what two factors? a) output voltage and load current, b) output voltage and field current, c)field current and load current, d) none B) If same DC generator ca be connected for either separate- or self-excitation, with of the two connections should be used to obtain the better voltage regulation? a) self-excited b) separately-excited C) How is the efficiency usually expressed? a) in waltts, b) in kilowatts-hours, c) in percentage, d) none

What determines the voltage frequency of ar ac generator? What are the two types of ac generators?

I need a clear expert solution, preferably a concise answer supported by the law. a. What is the principle of DC Generators that converts mechanical motion to electrical power? b. Which rule should you use to determine the direction of induced emf across a coil? c. What is the purpose of the commutator? d. Why there is no induced emf across a rotating coil when it passes through the neutral plane? e. What is the component causing a generator to produce de voltage rather than ac voltage at its output terminals? f. At what point should brush contact change from one commutator segment to the next one? j. how many pulsations per revolution should an elementary, single coil, de generator have with output voltage? h. How many commutator segments are required in a two-coil generator? q. How can field strength be varied in a practical de generator? n. What causes sparking between the brushes and the commutator? m. What is armature reaction? 1. What is the purpose of interpoles? p. What is the…