text: In a coaxial [koh-AK-see-ul] cable, this quantity varies inversely with the log of the ratio of the cable radii.
full_question: In a coaxial [koh-AK-see-ul] cable, this quantity varies inversely with the log of the ratio of the cable radii. This quantity is multiplied by resistance to find a time constant that describes how quickly an object charges up. This quantity is commonly increased by increasing the relative permittivity by using an electrical insulator that can be polarized, which is called a dielectric [“die-electric”]. This quantity equals charge divided by electric potential difference, and is directly proportional to the area of parallel plates and inversely proportional to the distance between them. Name this quantity that describes an object’s ability to hold charge and is measured in farads.
first_sentence: In a coaxial [koh-AK-see-ul] cable, this quantity varies inversely with the log of the ratio of the cable radii.