Measurement and Instrumentation A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage 2.66 %. 1 %. 3.33 %. 2 %. 2.66 %. 1 %. 3.33 %. 2 %. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Potentiometer Voltmeter and ammeter Ohmmeter Wheatstone bridge Potentiometer Voltmeter and ammeter Ohmmeter Wheatstone bridge ANSWER DOWNLOAD EXAMIANS APP
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. 5 2 1 4 5 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Environmental errors Random errors Systematic errors Gross errors Environmental errors Random errors Systematic errors Gross errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0012 Ohm. 240 Ohm. 0.0024 Ohm. 120 Ohm. 0.0012 Ohm. 240 Ohm. 0.0024 Ohm. 120 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be thick. thin. long and thin. long. thick. thin. long and thin. long. ANSWER DOWNLOAD EXAMIANS APP
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