Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter does not respond to DC signals The error is high due to eddy current effect The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high The meter does not respond to DC signals The error is high due to eddy current effect The error is high due to hysteresis effect The meter is calibrated for AC and it’s error for DC would be high ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Low frequency Very high frequency Medium frequency High frequency Low frequency Very high frequency Medium frequency High frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be High Very small Infinity Medium High Very small Infinity Medium ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following are integrating instruments? Wattmeters Voltmeters Ammeters Ampere hour and watt hour meters Wattmeters Voltmeters Ammeters Ampere hour and watt hour meters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 100 ohm. 10 ohm. 1000 ohm. 1 ohm. 100 ohm. 10 ohm. 1000 ohm. 1 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should be used for low frequency. Should use a monitoring source at low input impedance. Has a low natural frequency. Should be used for high frequencies above 100 Hz. Should be used for low frequency. Should use a monitoring source at low input impedance. ANSWER DOWNLOAD EXAMIANS APP