Difference between rheostat and potentiometer.

Difference between rheostat and potentiometer

9 basic difference between rheostat and potentiometer

Sr. No.PotentiometerRheostat
1.A potentiometer is an instrument or component in electronics that is used to compare or measure the potential difference.A rheostat is known as a variable resistor and is used to control current or vary the resistance of a circuit.  
2.A potentiometer controls the voltage.A rheostat controls the current.
3.A potentiometer is a resistor with 3 terminals and sliding contact with an adjustable voltage divider.A rheostat is a variable resistor with two terminals. 

4.A potentiometer is composed of resistive elements such as graphite, resistance wire, cermet, and carbon particles.A rheostat is composed of various materials such as fluids, metal ribbons, and carbon disks.  
5.A potentiometer has low power and is used for audio gadgets, television manipulates, and as a transducer.A rheostat is used in high-power electronics and appliances such as mixers, fans, motors. 
6.In any circuit, the potentiometer is connected in parallel. The rheostat is connected in series with the circuit.  
7.The potentiometer can be used as a rheostat.  A rheostat cannot be used as a potentiometer.
8.A potentiometer can divide voltage.Rheostat cannot divide voltage.