Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 20√3. 20. 10√3. 10. 20√3. 20. 10√3. 10. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 248 V. 250 V. 260 V. 252 V. 248 V. 250 V. 260 V. 252 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Load impedance is low Load impedance is high None of these Supply voltage is low Load impedance is low Load impedance is high None of these Supply voltage is low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Power frequencies High frequencies High load on the transformer Low frequencies Power frequencies High frequencies High load on the transformer Low frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It can be stated that CT operates with a higher flux density than PT CT operates at almost the same flux density as a PT CT operates with considerably lower flux density than a PT No generalisation can be made with regard to the flux densities in CT and PT CT operates with a higher flux density than PT CT operates at almost the same flux density as a PT CT operates with considerably lower flux density than a PT No generalisation can be made with regard to the flux densities in CT and PT ANSWER DOWNLOAD EXAMIANS APP
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
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