Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 2% 1% 3.33% 5% 2% 1% 3.33% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for DC only Both DC and AC Any of the listed here AC only DC only Both DC and AC Any of the listed here AC only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Potential transformers Either of the above Power transformers Current transformers Potential transformers Either of the above Power transformers Current transformers 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. resistance variation due to temperature. it has high sensitivity. there is no thermo electric emf. effect of contact and lead resistance is eliminated. resistance variation due to temperature. it has high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ampere is one of the Derived units Base units Units used to measure charge Supplementary units Derived units Base units Units used to measure charge Supplementary units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron instrument can be used for DC only AC only None of the listed here Both DC& AC DC only AC only None of the listed here Both DC& AC ANSWER DOWNLOAD EXAMIANS APP
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