Solenoid 2 Has Twice the Radius and Six Times the Number

question 21

Multiple Choice

Solenoid 2 has twice the radius and six times the number of turns per unit length as solenoid 1. The ratio of the magnetic field in the interior of 2 to that in the interior of 1 is:

• A) 2
• B) 4
• C) 6
• D) 1
• E) 1/3

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Definitions:

Rate of Return

The increase or decrease in the value of an investment for a given time frame, represented as a proportion of the investment's starting price.

Present Value Factor

A factor used in discounting future payments or receipts to determine their present value, considering the time value of money.

Cash Flows

The movement of cash into and out of a business, reflecting operational, investing, and financing activities.

Annuity

A financial instrument that provides a consistent series of payments to a person, often utilized as a source of income for individuals in retirement.