A Series RLC Circuit in a Radio Is in Resonance

question 28

Multiple Choice

A series RLC circuit in a radio is in resonance with AM 700 kHz.If the radio station is changed to AM 2100 kHz,by what factor must the capacitance be multiplied to again achieve resonance?

• A)​9
• B)3
• C)1
• D)1/3
• E)​1/9

---

Definitions:

X-Inefficiency

Occurs when a firm operates at higher costs than necessary, often due to lack of competitive pressure or managerial inefficiency.

Usury Law

A legal regulation that limits the maximum interest rate that can be charged on loans, designed to protect consumers from exorbitant rates.

Market Equilibrium

The state in which the supply of an item matches its demand, resulting in a stable price for the item.

Interest Rate

The proportion of a loan that is charged as interest to the borrower, typically expressed as an annual percentage.