1. A meter being used for a 2-wire resistance measurement has an internal current source of 1 mA. If the meter's test leads have equal resistances of 0.06-ohm, what is the measured resistance for:
a. A resistor of actual value 0.5-ohm?
b. A resistor of actual value 1K-ohm?
2. Refer to the Wheatstone Bridge diagram attached. If the galvanometer indicates zero when R1=110-ohm, R2=10-ohm, and R3 is set at 2.97K-ohm, what is the value of Runknown?
3. Refer to the Wheatstone Bridge diagram. If R1=1-ohm, R2=111-ohm, Runknown= 1?, R3 is set at 1K-ohm, and the battery is 9V:
a. What is the current flowing through the galvanometer? Use 60? for the internal galvanometer resistance in calculations.
b. The measurement range of the galvanometer is +/- 500µA. What is the ratio of galvanometer current to its maximum range of 500µA?
c. Is there danger of damage to the galvanometer with these resistance values?