Two Conductors Are Made of the Same Material and Have

question 5

Multiple Choice

Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1 m. Conductor B is a hollow tube of inside diameter 1 m and outside diameter 2 m. The ratio of their resistance, R_A/R_B, is:

• A) 1
• C) 2
• D) 3
• E) 4

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Definitions:

Semi-annual Interest

Interest that is calculated and paid twice a year on an investment or loan.

Invested

The deployment of funds with the intention of acquiring income or profit.

Regular-interest

Regular interest refers to the consistent periodic return earned on an investment or paid on a loan as determined by the interest rate.

Compounded Semi-annually

The process where interest is calculated and added to the principal sum every six months.