Measurement and Instrumentation To measure ac as well as dc power, we use Sometimes induction and sometimes dynamometer wattmeter None of the listed here Dynamometer wattmeter Induction wattmeter Sometimes induction and sometimes dynamometer wattmeter None of the listed here Dynamometer wattmeter Induction wattmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Permanent magnet type ammeter Moving iron repulsion type voltmeter Electrostatic ammeter Induction ammeter Permanent magnet type ammeter Moving iron repulsion type voltmeter Electrostatic ammeter Induction ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A mulliammeter can be used as Wattmeter Ohmmeter Frequency meter Voltmeter and ammeter Wattmeter Ohmmeter Frequency meter Voltmeter and ammeter 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 260 V. 250 V. 252 V. 248 V. 260 V. 250 V. 252 V. 248 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 1.5µF 3.9µF 0.9µF 2.4µF 1.5µF 3.9µF 0.9µF 2.4µF ANSWER DOWNLOAD EXAMIANS APP
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 2% 2.5% 1% 1.5% 2% 2.5% 1% 1.5% ANSWER DOWNLOAD EXAMIANS APP
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