What is the frequency limit of a copper wire?
∙ A. approximately 0.5 MHz
∙ B. approximately 1.0 MHz
∙ C. approximately 40 GHz
∙ D. none of the above
∙ A. approximately 0.5 MHz
∙ B. approximately 1.0 MHz
∙ C. approximately 40 GHz
∙ D. none of the above