Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is √2V. Zero. 2V. 2√2V. √2V. Zero. 2V. 2√2V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.5 V. 1.34 V. 1 V. 1.7 V. 1.5 V. 1.34 V. 1 V. 1.7 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 20% ± 2.5% ± 7.5 % ± 1.5% ± 20% ± 2.5% ± 7.5 % ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as ratio of absolute error and true value. absolute error. None of these true error. ratio of absolute error and true value. absolute error. None of these true error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of inductance having high value, we should use Any of the listed here Hay's bridge Maxwell wein bridge Maxwell's bridge Any of the listed here Hay's bridge Maxwell wein bridge Maxwell's bridge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? 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 The meter does not respond to DC signals The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS