Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 100 Ω/volt 1000 Ω/volt 10 MΩ/volt 1 MΩ/volt 100 Ω/volt 1000 Ω/volt 10 MΩ/volt 1 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit. Both 1 and 2 are false. 1 is false but 2 is true. 1 is true but 2 is false. Both 1 and 2 are true. Both 1 and 2 are false. 1 is false but 2 is true. 1 is true but 2 is false. Both 1 and 2 are true. 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 Increase the thermal stability Double the power rating of the resistor Reduce the tolerance Reduce the inductance of winding Increase the thermal stability Double the power rating of the resistor Reduce the tolerance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are used as Both ammeter and voltmeter Ammeters only Wattmeter only Voltmeters only Both ammeter and voltmeter Ammeters only Wattmeter only Voltmeters only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The repeat accuracy of an instrument can be judged from its Standard deviation of error Static error Linearity error Dynamic error Standard deviation of error Static error Linearity error Dynamic error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following are integrating instruments? Ampere hour and watt hour meters Wattmeters Voltmeters Ammeters Ampere hour and watt hour meters Wattmeters Voltmeters Ammeters ANSWER DOWNLOAD EXAMIANS APP
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