Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Current through the coil Square of the current through the coil Squareroot of the measurand Sine of the measurand Current through the coil Square of the current through the coil Squareroot of the measurand Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Hot wire Moving iron Permanent magnet moving coil Dynamometer Hot wire Moving iron Permanent magnet moving coil Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? VTVM. Moving - iron meter. Moving - coil meter. Thermocouple meter. VTVM. Moving - iron meter. Moving - coil meter. Thermocouple meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Ohmmeter Voltmeter and ammeter Potentiometer Wheatstone bridge Ohmmeter Voltmeter and ammeter Potentiometer Wheatstone bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 960 rev/KWh. 3750 rev/KWh. 3600 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3750 rev/KWh. 3600 rev/KWh. 1000 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.70 A. 0.67 A. 0.25 A. 0.50 A. 0.70 A. 0.67 A. 0.25 A. 0.50 A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS