Author: Study Clue

What is the primary function of the commutator in a DC motor? A Reverse current direction B Increase torque C

What does voltage regulation measure in an electrical machine? A Load current B Torque change C Speed variation D Voltage

What is the primary purpose of using testing methods for electrical machines? A To increase speed B To reduce losses

What does the efficiency of an electrical machine depend on? A Power losses B Torque C Voltage D Speed Explanation

In a DC generator, what is the function of the commutator? A Generate power B Prevent losses C Control speed

What is the main purpose of an armature in a DC motor? A Control speed B Generate a magnetic field

What is the primary source of energy for photovoltaic (PV) systems? A Biomass B Sunlight C Water D Wind Explanation

What is the primary function of an inverter in renewable energy systems? A Conversion B Generation C Distribution D Storage

What is the primary purpose of net metering in renewable energy systems? A Increase energy output B Offset electricity costs

What is the purpose of hybrid renewable energy systems? A Use only solar power B Maximize wind power C Combine