Multiply
- $12 x y ( 3 x - 10 y )$

question 388

Multiple Choice

Multiply.
- $12 x y ( 3 x - 10 y )$

• A) \(36 x ^ { 2 } y - 120 x y ^ { 2 }\)
• B) \(15 x ^ { 2 } - 22 y ^ { 2 }\)
• C) \(15 x ^ { 2 } y - 22 x y ^ { 2 }\)
• D) \(36 x ^ { 2 } - 120 y ^ { 2 }\)

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Definitions:

Pole Pieces

The parts of a DC machine that form magnetic poles.

Mechanical Energy

The sum of potential and kinetic energy in a physical system, associated with the motion and position of objects.

DC Electrical Energy

Energy supplied by a direct current (DC) source, characterized by the uni-directional flow of electric charge.

Series Field

An electromagnetic field created by windings in a series circuit within a motor or generator, contributing to the device's overall magnetic field.