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For example, if we have to create 1 ampere of current flow through a circuit by 100 volts, then the resistance is 100 ohms. The voltage required for creating 1 ampere of current to flow through the circuit is known as the resistance. Kilo ohms, megaohms, milliohm and so on are known as the higher multiple and sub-multiple values of Ohm The SI-unit of resistance is known as Ohm. Here, the resistance is constantly proportional. What is Resistance?īased on Ohm's law named after German Physicist Georg Simon Ohm, the resistance is definedĪs per the Ohm's Law, the voltage across a resistor is directly proportional to the current flowing through it. The ease at which the electrons will allow the electricity to flow through it is known as resistance.Īn insulator has better resistance than the conductor, and the term resistance is defined as the electrical quantity used by the resistor to control the flow of electrons. The total voltage passes through when it is passed through a conductor like the metal by introducing the resistors, the amount of voltage and current can be controlled. However, the resistor determines the amount of electricity that is allowed to pass through them. Insulators do not allow the flow of electrons, but the conductor does. Here, two categories can be identified viz: – conductors and insulators. The basic idea is known to all about how electricity flows through an electronic circuit. The most important and commonly used components in an electronic circuit are the resistors. The device which allows us to introduce a controlled amount of resistance into an electrical circuit is known as a resistor.