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The symbol which represent Varintre
resitance
Answers
Answer:
In an electric circuit, the resistor is a passive, two terminal component that obstructs the flow of current and dissipates power once current flows through it. It is represented in electric circuits by the symbol in Figure 1. The ratio of voltage to current is called the resistance and expressed by Ohm’s Law as shown
Explanation:
Ohm’s law states that current flowing through a resistor in an electric circuit is directly proportional to the applied voltage when the temperature remains constant. Therefore, it is logical to assume that normal resistors have two terminals and they have constant resistance since their resistance can not be changed.
Definition of a Variable Resistor
As the name suggests, the variable resistor is a passive, three terminal device that can adjust its resistance via third terminal located between two terminals so that the obstruction to the flow of current goes up and down. Therefore, variable resistor circuit symbol has an arrow which represents resistance variation. The electrical symbol of variable