Inside the reactor
Do conductors have resistance?
The resistance of a conductor depends on the cross sectional area of the conductor, the length of the conductor, and its resistivity. It is important to note that electrical conductivity and resistivity are inversely proportional, meaning that the more conductive something is the less resistive it is.
Why resistance is low in conductor?
The larger conductor will have a lower resistance due to the increased volume of conductive material. Because resistance is determined by the material and the material’s volume resistivity (resistance per unit volume), the more volume of material you have, the lower the resistance will be.
Which substances have very low resistance?
Conductors such as gold, silver and copper have low resistance and conduct electricity easily. Insulators such as rubber, glass and ceramics have high resistance and are difficult for electricity to pass through.
Do conductors have high resistance?
Conductors have a very low resistance to electrical current while insulators have a very high resistance to electrical current. These two factors become very important when we start to deal with actual electrical circuits.
What causes resistance in a conductor?
Resistance is caused in a conductor by the free electrons. These free electrons collide with each other and with the ions and atoms that oppose their free movement. This obstruction is known as resistance. … Length of the conductor.
Why do insulators have high resistance?
But in insulators, the gap between conduction band and valence band is much greater than conductors which don’t allow them to conduct electricity very easily which in result shows greater resistance, so insulators offer infinitely high resistance.