Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the None of the listed here Current coil and potential coil Potential coil Current coil None of the listed here Current coil and potential coil Potential coil Current coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ±0.5% ± 3.0% ±3.5% ± 1.5% ±0.5% ± 3.0% ±3.5% ± 1.5% 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 inclined at 60o. perpendicular. parallel. inclined at 30o. inclined at 60o. perpendicular. parallel. inclined at 30o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 1000 ohm. 1 ohm. 100 ohm. 10 ohm. 1000 ohm. 1 ohm. 100 ohm. 10 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A potentiometer may be used for Measurrment of resistance All of the listed here Measurement of current Calibration of ammeter Measurrment of resistance All of the listed here Measurement of current Calibration of ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are used as Wattmeter only Both ammeter and voltmeter Voltmeters only Ammeters only Wattmeter only Both ammeter and voltmeter Voltmeters only Ammeters only ANSWER DOWNLOAD EXAMIANS APP
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