Measurement and Instrumentation In a portable instrument , the controlling torque is provided by Spring Gravity Eddy currents All of the listed here Spring Gravity Eddy currents All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have The same dimensions and the same number of turns The same dimension but different number of turns The same number of turns but different dimensions None of these The same dimensions and the same number of turns The same dimension but different number of turns The same number of turns but different dimensions None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the both ‘a’ and ‘b’. none of these. dimension LT-1. speed of light. both ‘a’ and ‘b’. none of these. dimension LT-1. speed of light. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Shunt Current transformers All of the listed here Potential transformers Shunt Current transformers All of the listed here Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - coil meter. VTVM. Thermocouple meter. Moving - iron meter. Moving - coil meter. VTVM. Thermocouple meter. Moving - iron meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because there is no thermo electric emf. effect of contact and lead resistance is eliminated. it has high sensitivity. resistance variation due to temperature. there is no thermo electric emf. effect of contact and lead resistance is eliminated. it has high sensitivity. resistance variation due to temperature. ANSWER DOWNLOAD EXAMIANS APP