Which of the following are types of Power Losses that occur in an Induction Motor?

The correct choice identifies the types of power losses that are specifically relevant to induction motors. Stray power losses refer to the energy that is not accounted for in the typical operating efficiencies of the motor, often due to factors like leakage in magnetic fields or inaccuracies during power measurements. Copper power losses, or I²R losses, occur primarily in the windings of the motor due to the electrical resistance, resulting in energy being lost in the form of heat.

Understanding these losses is critical for evaluating the overall efficiency of an induction motor. Effective management of stray and copper losses can greatly enhance performance and reduce energy consumption, leading to significant improvements in operational efficiency.

The other options involve terms or types of losses that may not be as specific or relevant to the operational dynamics of induction motors. Mechanical and electrical losses encompass a broader range of inefficiencies. Dielectric losses are more commonly associated with capacitive components rather than induction motors. While iron losses are important, referring to core losses due to magnetic hysteresis and eddy currents, the mention of heat losses without context does not clearly tie directly to the foundational categories of losses in induction motors.