Question: Get three real resistors with different color codes. Label them 1,2 and 3 with masking tape. a. Measure their resistances' with the multimeter set to

Get three real resistors with different color codes. Label them 1,2 and 3 with masking tape. a. Measure their resistances' with the multimeter set to ohms. Make sure there is no power or you will blow the meter fuse. Record the measured resistances in a table like the one below. b. Then wire one resistor to a power supply set on about 3 volts as shown below. Measure and record the current and voltage. Calculate the resistance using V=IR. Record this in the "powered" column. Repeat with each of the other two resistors. # measured R () (no power) voltage(V) current (A) Calculated R() (powered) 1 2 3 c. What is the relationship between the resistance without power and with? What do you think might be causing the changes in resistance

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