A Motor Has an Internal Resistance of 13 Ω

question 14

Multiple Choice

A motor has an internal resistance of 13 Ω.When running,the motor has a back emf of 35 V and draws a current of 3.9 A.What is the supply voltage in this case?

• A) 35 V
• B) 51 V
• C) 86 V
• D) 16 V
• E) ​38 V

---

Definitions:

Karl Marx

A 19th-century philosopher, economist, and political theorist whose works are the foundation of the theory of socialism and communism.

Exploiter

An individual or entity that takes unfair advantage of others, often in a business or economic context, to gain benefits at their expense.

MRP of Land

Marginal Revenue Product of Land denotes the additional revenue generated from the utilization of an additional unit of land, underpinning its value in production.

Supply of Land

The total quantity of available land or real estate, which is inherently fixed but can vary in usability and value due to location, zoning, and development.