Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A frequency meter. A function generator. An ammeter. A potentiometer. A frequency meter. A function generator. An ammeter. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 4.8 μH/radian. 2.0 μH/radian. 12.0 μH/radian. 114.6 μH/radian. 4.8 μH/radian. 2.0 μH/radian. 12.0 μH/radian. 114.6 μH/radian. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as absolute error. None of these true error. ratio of absolute error and true value. absolute error. None of these true error. ratio of absolute error and true value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Ohmmeters and resistance bridges Voltmeters Wattmeters Ammeters Ohmmeters and resistance bridges Voltmeters Wattmeters Ammeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 2% 4% 3% 1% 2% 4% 3% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Current Frequency Resistance Voltage Current Frequency Resistance Voltage ANSWER DOWNLOAD EXAMIANS APP
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