Current in a Wire Is Reflected from an Unconnected End

question 16

Multiple Choice

Current in a wire is reflected from an unconnected end (to ground) in the same way that sound reflects from an open pipe.If a 500.0 cm wire is excited by a 22.0 MHz oscillator in its lowest mode,what is the ratio of the current speed to that of light?

• A)0.49
• B)0.37
• C)0.73
• D)0.092

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