C. Activity 3 -Ohmic and Non-ohmic Materials Do this activity in a bond paper. No. of dry cells Voltage (V) Current (1) Voltage / Current (V/D 1.5 9 x 103 3.0 18 x 103 4.5 26 x 103 6.0 35 x 10 7.5 44 x 103 9.0 53 x 10 Table 1.a Voltage us. CurrentNo. of dry cells Voltage (V) Current (1) Voltage/C 1.5 1.5 x 10-3 3.0 3.0 x 10"3 4.5 6.0 x 10-3 6.0 12.0 x 10-3 7.5 25.0 x 10-3 9.0 60.0 x 10-3 Table 1.b Voltage us. Current Guide Questions 1. Calculate the 4th column of the table which is V/I. 2. Make a graph of V vs. I for Table 1.a and 1.b 3. Describe the shape of the graph formed from a to b. 4. What is the relationship shown in the V-I graphs for a and b? 5. Which graph shows ohmic materials and non-ohmic materials