Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - iron meter. Moving - coil meter. Thermocouple meter. VTVM. Moving - iron meter. Moving - coil meter. Thermocouple meter. VTVM. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Potentiometer Ohmmeter Voltmeter and ammeter Wheatstone bridge Potentiometer Ohmmeter Voltmeter and ammeter Wheatstone bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Induction type. Moving iron type. Dynamo-meter type. Multipliers. Induction type. Moving iron type. Dynamo-meter type. Multipliers. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is One ohm according to SI units One international ohm One ohm according to working standards Standard ohm One ohm according to SI units One international ohm One ohm according to working standards Standard ohm ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for DC only AC only Both DC and AC Any of the listed here DC only AC only Both DC and AC Any of the listed here 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. 252 V. 250 V. 260 V. 248 V. 252 V. 250 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP