draw the circuit diagram to verify the relation between current and voltage when resistance is constant / variable
Answers
Given : verify the relation between current and voltage when resistance is constant or variable
To Find : Circuit Diagram
Solution:
I = V/R
=> R = V/I
To Verify relation between current and voltage
we need to find current through Resistance and voltage drop across resistance
Hence we need to put an ammeter in series with resistance
and voltmeter in parallel to resistance
Resistance can be fixed
or Resistance can be variable ( using Rheostat) a slanting arrow is used on resistance symbol to show variable resistance
A variable voltage source can be used
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