Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are parallel. inclined at 30o. inclined at 60o. perpendicular. parallel. inclined at 30o. inclined at 60o. perpendicular. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Eddy current damping Air friction damping Spring coil damping Fluid friction damping Eddy current damping Air friction damping Spring coil damping Fluid friction damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High load on the transformer Low frequencies Power frequencies High frequencies High load on the transformer Low frequencies Power frequencies High frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure ac as well as dc power, we use Induction wattmeter Dynamometer wattmeter None of the listed here Sometimes induction and sometimes dynamometer wattmeter Induction wattmeter Dynamometer wattmeter None of the listed here Sometimes induction and sometimes dynamometer wattmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A function generator. A potentiometer. An ammeter. A frequency meter. A function generator. A potentiometer. An ammeter. A frequency meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Frequency Current Voltage Resistance Frequency Current Voltage Resistance ANSWER DOWNLOAD EXAMIANS APP
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