Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.2% 0.5% 1% 1.5% 1.2% 0.5% 1% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because resistance variation due to temperature. it has high sensitivity. there is no thermo electric emf. effect of contact and lead resistance is eliminated. resistance variation due to temperature. it has high sensitivity. there is no thermo electric emf. effect of contact and lead resistance is eliminated. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following is a variable displacement transducer? potentiometer synchros tachometer None of these potentiometer synchros tachometer None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Conductor but non magnetic Non conductor but magnetic Conductor but magnetic Non conductor and non magnetic Conductor but non magnetic Non conductor but magnetic Conductor but magnetic Non conductor and non magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Magnetic field intensity. Relative permeability. Magnetic potential. Flux density. Magnetic field intensity. Relative permeability. Magnetic potential. Flux density. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The watt hour meter is ______ instrument. A transfer An indicating A recording An integrating A transfer An indicating A recording An integrating ANSWER DOWNLOAD EXAMIANS APP