Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 1% 2% 2.5% 1.5% 1% 2% 2.5% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An analog ammeter is an absolute instrument. an indicating instrument. a controlling instrument. a recording instrument. an absolute instrument. an indicating instrument. a controlling instrument. a recording instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit. 1 is true but 2 is false. Both 1 and 2 are false. 1 is false but 2 is true. Both 1 and 2 are true. 1 is true but 2 is false. Both 1 and 2 are false. 1 is false but 2 is true. Both 1 and 2 are true. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 99.99 ohms 100 ohms 100 K ohms 99.99 K ohms 99.99 ohms 100 ohms 100 K ohms 99.99 K ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly Deflecting Controlling Damping None of the listed here Deflecting Controlling Damping None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A function generator. An ammeter. A potentiometer. A frequency meter. A function generator. An ammeter. A potentiometer. A frequency meter. ANSWER DOWNLOAD EXAMIANS APP
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