Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 360V and 240V 300V each One of the meters out of the range and other 100V 400V and 200V 360V and 240V 300V each One of the meters out of the range and other 100V 400V and 200V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms The bridge can always be balanced None of the listed here The bridge cannot be balanced The bridge can be balanced if the resistance have some specific values The bridge can always be balanced None of the listed here The bridge cannot be balanced The bridge can be balanced if the resistance have some specific values ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a higher accuracy. All of these a faster response. a lower sensitivity. a higher accuracy. All of these a faster response. a lower sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is 6% 4% 5% 3% 6% 4% 5% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 1 0.65 0.73 0.84 1 0.65 0.73 0.84 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Square-law scale Exponential scale Logarithmic scale Linear scale Square-law scale Exponential scale Logarithmic scale Linear scale ANSWER DOWNLOAD EXAMIANS APP
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