An Oscillating LC Circuit Has a Resonant Frequency of 1

question 42

Multiple Choice

An oscillating LC circuit has a resonant frequency of 1.2 × 10⁶ Hz. The diagram shows the system at t = 0 s when there is no charge on the capacitor and the current is in the direction shown. At this time, the energy stored in the inductor is 2.5 × 10^-7 J.
-Determine the value of the current at the instant shown in the drawing.

• A)0.02 A
• B)0.03 A
• C)0.05 A
• D)0.09 A
• E)0.12 A

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Definitions:

Principal Square Root

The principal square root is the non-negative root of a given number, represented as sqrt(x) for a non-negative number x.

Real Roots

The solutions of an equation that are real numbers.

Calculator

A calculator is a device or software used for performing mathematical calculations, ranging from basic arithmetic to complex mathematical operations.

Principal Square Root

The non-negative square root of a number, denoted as √x for a non-negative number x.