Input: Article: Since the armature windings of a direct-current or universal motor are moving through a magnetic field, they have a voltage induced in them. This voltage tends to oppose the motor supply voltage and so is called "back electromotive force (emf)". The voltage is proportional to the running speed of the motor. The back emf of the motor, plus the voltage drop across the winding internal resistance and brushes, must equal the voltage at the brushes. This provides the fundamental mechanism of speed regulation in a DC motor. If the mechanical load increases, the motor slows down; a lower back emf results, and more current is drawn from the supply. This increased current provides the additional torque to balance the new load.

Now answer this question: Voltage at the brushes is equal to what?

Output: back emf of the motor, plus the voltage drop across the winding internal resistance

Input: Article: The titles of state supreme court vary, which can cause confusion between jurisdictions because one state may use a name for its highest court that another uses for a lower court. In New York, Maryland, and the District of Columbia the highest court is called the Court of Appeals, a name used by many states for their intermediate appellate courts. Further, trial courts of general jurisdiction in New York are called the Supreme Court, and the intermediate appellate court is called the Supreme Court, Appellate Division. In West Virginia, the highest court of the state is the Supreme Court of Appeals. In Maine and Massachusetts the highest court is styled the "Supreme Judicial Court"; the last is the oldest appellate court of continuous operation in the Western Hemisphere.

Now answer this question: What may cause some confusion in the US regarding state supreme courts?

Output: titles of state supreme court vary

Input: Article: In the final decades of this era many plebeians grew poorer. The long military campaigns had forced citizens to leave their farms to fight, while their farms fell into disrepair. The landed aristocracy began buying bankrupted farms at discounted prices. As commodity prices fell, many farmers could no longer operate their farms at a profit. The result was the ultimate bankruptcy of countless farmers. Masses of unemployed plebeians soon began to flood into Rome, and thus into the ranks of the legislative assemblies. Their poverty usually led them to vote for the candidate who offered them the most. A new culture of dependency was emerging, in which citizens would look to any populist leader for relief.

Now answer this question: What caused the bankruptcy of many farmers during this era?

Output:
commodity prices fell