Measurement and Instrumentation Which of following is not correct? Voltmeter should have very high resistance. An electronic voltmeter draw appreciable current from the source. An ammeter should have a very low resitance. A shunt should have a very low resistance. Voltmeter should have very high resistance. An electronic voltmeter draw appreciable current from the source. An ammeter should have a very low resitance. A shunt should have a very low resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many time-base circuits does a dual face CRO can have? 3. 2. 1. 4. 3. 2. 1. 4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Reactive power of R phase Active power in R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power in R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is a Integrating instrument Recording instrument Absolute instrument Secondary instrument Integrating instrument Recording instrument Absolute instrument Secondary instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Only controlling torque acts Both deflecting and controlling torques act None of the listed here Only deflecting torque acts Only controlling torque acts Both deflecting and controlling torques act None of the listed here Only deflecting torque acts 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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