Measurement and Instrumentation No eddy current and hysteresis losses occur in Moving iron instruments Electrostatic instruments Electrodynamo meter instruments PMMC instruments Moving iron instruments Electrostatic instruments Electrodynamo meter instruments PMMC instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 54.2. 20. 25.4. 31.4. 54.2. 20. 25.4. 31.4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 2% 1% 4% 3% 2% 1% 4% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Current coil Potential coil Current coil and potential coil None of the listed here Current coil Potential coil Current coil and potential coil None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Square of the current Sine of the measurand Current Squareroot of the current Square of the current Sine of the measurand Current Squareroot of the current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Reduce the inductance of winding Reduce the tolerance Increase the thermal stability Double the power rating of the resistor Reduce the inductance of winding Reduce the tolerance Increase the thermal stability Double the power rating of the resistor ANSWER DOWNLOAD EXAMIANS APP