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. 10√3. 10. 20. 20√3. 10√3. 10. 20. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Frequency Resistance Voltage Current Frequency Resistance Voltage Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because It uses centre zero galvanometer instead of voltmeter. It does not load the circuit at all. It loads the circuit moderately. It loads the circuit to maximum extent. It uses centre zero galvanometer instead of voltmeter. It does not load the circuit at all. It loads the circuit moderately. It loads the circuit to maximum extent. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Squareroot of the measurand Square of the current through the coil Sine of the measurand Current through the coil Squareroot of the measurand Square of the current through the coil Sine of the measurand Current through the coil ANSWER DOWNLOAD EXAMIANS APP
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 perpendicular. inclined at 30o. parallel. inclined at 60o. perpendicular. inclined at 30o. parallel. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Measurand Sine of the measurand Sine inverse of measurand Square of the measurand Measurand Sine of the measurand Sine inverse of measurand Square of the measurand ANSWER DOWNLOAD EXAMIANS APP
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