Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Power frequencies High frequencies High load on the transformer Low frequencies Power frequencies High frequencies High load on the transformer Low frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Air friction damping Eddy current damping Fluid friction damping Spring coil damping Air friction damping Eddy current damping Fluid friction damping Spring coil damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ instruments are those which measure the total quantity of the electricity delivered in a particular time. Recording Integrating Absolute Indicating Recording Integrating Absolute Indicating ANSWER DOWNLOAD EXAMIANS APP
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 Zero. 2√2V. 2V. √2V. Zero. 2√2V. 2V. √2V. 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 For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 5.2% 1.2% 10.2% 25.2% 5.2% 1.2% 10.2% 25.2% ANSWER DOWNLOAD EXAMIANS APP