L = Length of insulator string (m) D = Diameter of conductor (cm) K = String efficiency factor For a 400 kV ac overhead transmission line, the number of discs in the insulator string lies in the range of 22 to …

There are uncharged. Semiconductor acts like an insulator at Zero Kelvin. On increasing the temperature, it works as a conductor. Due to their exceptional electrical properties, semiconductors …

What are Conductors and Insulators? Electricity flows through some materials but not others, which is why electric wires are made of two different materials: a conductive core and an insulating cover. …

Question Description Can we charge an insulator by conduction or induction? for Class 8 2025 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam …

Full syllabus notes, lecture and questions for NCERT Solutions for Class 7 Science Chapter 3 Electricity: Circuits and their Components - Class 7 - Plus excerises question with solution to help you revise …

5. Can some materials act as both conductors and insulators? Ans.Yes, some materials can act as both conductors and insulators, depending on conditions such as temperature or the presence of …

Full syllabus notes, lecture and questions for Current Electricity Chapter Notes - Physics Class 9 ICSE - Class 9 - Plus excerises question with solution to help you revise complete syllabus for Physics …

A material having high value of resistivity is an insulator. Therefore, sample C is an insulator. Q2: The electrical resistivity of few materials is given below in ohm-meter. Which of these materials can be …

The insulator gaining electrons becomes negatively charged, containing more negative charges than positive charges. Conversely, the insulator losing electrons becomes positively charged, possessing …

Here you can find the meaning of What are the effect of temperature in conductor insulator semiconductor. ? defined & explained in the simplest way possible. Besides giving the explanation of …