Sensitivity in Wheatstone bridge
Q. To produce a change in deflection of 1.5 mm of the galvanometer of Wheatstone bridge, a change of 5 Ω in the unknown arm of bridge is required. The sensitivity is- Published on 14 Sep 15a. 0.2 mm / Ω
b. 0.3 mm / Ω
c. 0.4 mm / Ω
d. 0.5 mm / Ω
ANSWER: 0.3 mm / Ω