A Very Short Solenoid Contains N = 20 Circular Loops

question 8

Multiple Choice

A very short solenoid contains N = 20 circular loops of wire.The radius of the loop is R = 0.5 meters,and the length of the solenoid is d = 0.02 meters.Approximately what is the magnetic field in the center of the solenoid?

• A)µ_oN I/d
• B)µ_oN I/(2R)
• C)µ_oN I/(2dR)
• D)µ_oN I/(2pR)

---

Definitions:

Commands

Instructions given by a user or program to a computer to perform specific operations.

Syntax Error

A violation of the strict set of rules that define the programming language.

Programming Language

A kind of “code” for the set of instructions the CPU knows how to perform.

Structured Query Language

A standardized programming language used for managing and manipulating relational databases through executing tasks such as querying, updating, and data management.