Measurement and Instrumentation To measure the flux, devices used are based on Voltaic effect Piezo-electric effect Photo-voltaic effect Hall effect Voltaic effect Piezo-electric effect Photo-voltaic effect Hall effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Relative permeability. Flux density. Magnetic field intensity. Magnetic potential. Relative permeability. Flux density. Magnetic field intensity. Magnetic potential. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 250 V. 252 V. 248 V. 260 V. 250 V. 252 V. 248 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by Changing number of turns of operating coil None of the listed here A shunt A multiplier Changing number of turns of operating coil None of the listed here A shunt A multiplier ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for AC only Any of the listed here Both DC and AC DC only AC only Any of the listed here Both DC and AC DC only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the standard unit for length ? Kilometer Inch Meter Centimeter Kilometer Inch Meter Centimeter ANSWER DOWNLOAD EXAMIANS APP
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