Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 4 5 2 1 4 5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 µNm. 100 µNm. 2 µNm. 200 µNm. 1 µNm. 100 µNm. 2 µNm. 200 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is an electrostatic instrument. a moving coil instrument. a dynamometer instrument. a thermal instrument. an electrostatic instrument. a moving coil instrument. a dynamometer instrument. a thermal instrument. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.065 ± 0.054 ± 0.056 ± 0.045 ± 0.065 ± 0.054 ± 0.056 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and non magnetic material Non conducting and magnetic material Conducting and magnetic material None of the listed here Conducting and non magnetic material Non conducting and magnetic material Conducting and magnetic material None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Current Resistance Voltage Frequency Current Resistance Voltage Frequency ANSWER DOWNLOAD EXAMIANS APP
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