state the function of rheostat in this lab experience.
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Rheostat is a Variable resistance device.
It is used to control the current circuit by varying the resistance.
From ohms law
V=IR
I=v/R
This shows I is inversely proportional to resistance in circuit.
More the value of R less will be the current or Vice versa.
It is used to control the current circuit by varying the resistance.
From ohms law
V=IR
I=v/R
This shows I is inversely proportional to resistance in circuit.
More the value of R less will be the current or Vice versa.
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