Measurement and Instrumentation No eddy current and hysteresis losses occur in Electrostatic instruments Moving iron instruments PMMC instruments Electrodynamo meter instruments Electrostatic instruments Moving iron instruments PMMC instruments Electrodynamo meter instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is a thermal instrument. an electrostatic instrument. a dynamometer instrument. a moving coil instrument. a thermal instrument. an electrostatic instrument. a dynamometer instrument. a moving coil instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 4.54 V. 3.53 V. 5 V. 4.38 V. 4.54 V. 3.53 V. 5 V. 4.38 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Photo-voltaic effect Hall effect Piezo-electric effect Voltaic effect Photo-voltaic effect Hall effect Piezo-electric effect Voltaic effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Static sensitivity and time constant Static sensitivity and damping coefficient Static sensitivity, damping coefficient and natural frequency of oscillations Time constant only Static sensitivity and time constant Static sensitivity and damping coefficient Static sensitivity, damping coefficient and natural frequency of oscillations Time constant only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by weight attached to the moving coil. not provided at all. spring. crossed coil mechanism. weight attached to the moving coil. not provided at all. spring. crossed coil mechanism. ANSWER DOWNLOAD EXAMIANS APP
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