Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Current coil Potential coil None of the listed here Current coil and potential coil Current coil Potential coil None of the listed here Current coil and potential coil 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 Which of the following instruments can be used to measure AC current only? Permanent Magnet Type ammeter Induction type ammeter Moving iron ammeter Moving iron voltmeter Permanent Magnet Type ammeter Induction type ammeter Moving iron ammeter Moving iron voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 2 A. 4.47 A. 5.78 A. 4 A. 2 A. 4.47 A. 5.78 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 25.45 W. None of these 32.56 W . 28.12 W. 25.45 W. None of these 32.56 W . 28.12 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 0 W. 50 W. 25 W. 100 W. 0 W. 50 W. 25 W. 100 W. ANSWER DOWNLOAD EXAMIANS APP