Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 10 MΩ/volt 1 MΩ/volt 100 Ω/volt 1000 Ω/volt 10 MΩ/volt 1 MΩ/volt 100 Ω/volt 1000 Ω/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 2.5% ± 7.5 % ± 1.5% ± 20% ± 2.5% ± 7.5 % ± 1.5% ± 20% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is 0.1mA 0.023mA 0.007mA 0.05mA 0.1mA 0.023mA 0.007mA 0.05mA 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 The calibration of a voltmeter can be carried out by using A function generator. A frequency meter. An ammeter. A potentiometer. A function generator. A frequency meter. An ammeter. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 90° 0° 30° 120° 90° 0° 30° 120° ANSWER DOWNLOAD EXAMIANS APP
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