To Verify Ohm's Law

Procedure

Let us go through the experiment of confirming Ohms Law.

STEP 1: Get the Required components on the working area.
STEP 2: Form an Appropiate circuit on the Breadboard by connecting the components to their right terminals.
STEP 3: Check if the connections are right,if so you can now start to take Readings.
STEP 4: Set DC voltage(0-20 V).
STEP 5: Set the Resistance Value(1 ohm - 100 ohm) .
STEP 6: Voltmeter is placed parallel to resistor and ammeter series with resistor.
STEP 7: Now note the Voltmeter and Ammeter reading for DC voltage.
STEP 8: Increase the DC voltage and note Voltmeter and Ammeter Readings. Keep resistance value constant.
STEP 9: Plot the V-I graph to verify Ohm's Law.
STEP 10: Repeat step 4 to step 8 for another set of resistance value.
STEP 11: V versus I graph is a straight line.
STEP 12: Therefore from the graph we see that the resistance do adhere to Ohm’s law. Thus resistance is said to be an Ohmic device.