Measurement and Instrumentation The absolute measurement of resistance is done by Lorenz method Bridge Method Ohm’s law method Rayleigh method Lorenz method Bridge Method Ohm’s law method Rayleigh method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It can be stated that 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 considerably lower flux density than a PT CT operates with a higher flux density than 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 considerably lower flux density than a PT CT operates with a higher flux density than PT ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Power frequencies Low frequencies High frequencies High load on the transformer Power frequencies Low frequencies High frequencies High load on the transformer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = 2R2. R1 = R2. R1 = R2/2. R1 = 3R2. R1 = 2R2. R1 = R2. R1 = R2/2. R1 = 3R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Voltaic effect Photo-voltaic effect Piezo-electric effect Hall effect Voltaic effect Photo-voltaic effect Piezo-electric effect Hall effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The rectifier instrument is not free from All of the listed here Wave shape error Frequency error Temperature error All of the listed here Wave shape error Frequency error Temperature error ANSWER DOWNLOAD EXAMIANS APP