Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 2 V. 0 V. (2 + √3/2)V. 5 V. 2 V. 0 V. (2 + √3/2)V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The watt hour meter is ______ instrument. A recording An indicating An integrating A transfer A recording An indicating An integrating A transfer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the both ‘a’ and ‘b’. dimension LT-1. speed of light. none of these. both ‘a’ and ‘b’. dimension LT-1. speed of light. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the two have same dimensions? Force and stress Angular velocity and angular frequency Force and strain None of these Force and stress Angular velocity and angular frequency Force and strain None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It can be stated that CT operates at almost the same flux density as a PT CT operates with a higher flux density than PT CT operates with considerably lower flux density than a PT No generalisation can be made with regard to the flux densities in CT and PT CT operates at almost the same flux density as a PT CT operates with a higher flux density than PT CT operates with considerably lower flux density than a PT No generalisation can be made with regard to the flux densities in CT and PT ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is 0.4 mm/Ω 5.0 mm/Ω 0.8 mm/Ω 2.5 mm/Ω 0.4 mm/Ω 5.0 mm/Ω 0.8 mm/Ω 2.5 mm/Ω ANSWER DOWNLOAD EXAMIANS APP