Measurement and Instrumentation To measure the flux, devices used are based on Hall effect Photo-voltaic effect Voltaic effect Piezo-electric effect Hall effect Photo-voltaic effect Voltaic effect Piezo-electric effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for High current measurements Low voltage measurements High voltage measurements Low current measurements High current measurements Low voltage measurements High voltage measurements Low current measurements ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 4 kWh 3 kWh 1 kWh 2 kWh 4 kWh 3 kWh 1 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray thermal emfs. Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter Any of the listed here One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter One voltmeter, one ammeter and one wattmeter Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standard resistor ia made from Manganin Nichrome Silver Platinum Manganin Nichrome Silver Platinum ANSWER DOWNLOAD EXAMIANS APP
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