Measurement and Instrumentation ______ instruments are most sensitive. Permanent magnet moving coil Hot wire Dynamometer Moving iron Permanent magnet moving coil Hot wire Dynamometer Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 10MHz CRO has 10MHz vertical oscillator 5MHz sweep 10MHz horizontal oscillator 10MHz supply frequency 10MHz vertical oscillator 5MHz sweep 10MHz horizontal oscillator 10MHz supply frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then X is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Both X and Y are equally sensitive. Y is more sensitive. X is more sensitive. It would not be possible to assess the sensitivity on the basis of the given data. Both X and Y are equally sensitive. Y is more sensitive. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Instrument transformer. Wattmeters. Power factor meters. Energy meter. Instrument transformer. Wattmeters. Power factor meters. Energy meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Current through the coil Squareroot of the measurand Sine of the measurand Square of the current through the coil Current through the coil Squareroot of the measurand Sine of the measurand Square of the current through the coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have large time constant. high inertia. All of these higher response time. large time constant. high inertia. All of these higher response time. ANSWER DOWNLOAD EXAMIANS APP
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