Multiple Choice Questions in Measurements- 1
Multiple Choice Questions in Measurements 1. When reading is taken at half scale in the instrument, the error is a) Exactly equal to half of full-scale error b) Equal to full-scale error c) Less than full-scale error d) More than full-scale error 2. Torque/weight ratio of an instrument indicates a) Selectivity b) Accuracy c) Fidelity d) Sensitivity 3. The errors introduced by the instrument fall in which category? a) Systematic errors b) Random errors c) Gross errors d) Environmental errors 4. A Wheatstone bridge requires a change of 6 Ω in the unknown arm of the bridge to produce a change in deflection of 3 mm of the galvanometer. The sensitivity of the instrument is a) 0.5% b) 2% c) 0.5 mm/ Ω d) 2.0 Ω/mm 5. Identify which one is not a fundamental unit in SI system a) Ampere b) Kelvi