Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.5% 0.5% 1.2% 1% 1.5% 0.5% 1.2% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ movement is most expensive. D'Arsonval movement Moving iron None of the listed here Dynamometer D'Arsonval movement Moving iron None of the listed here Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Resistance Voltage Frequency Current Resistance Voltage Frequency Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect only phase of the quantity being measured. both of above. only the magnitude of the quantity being measured. magnitude, phase and waveform of the quantity being measured. only phase of the quantity being measured. both of above. only the magnitude of the quantity being measured. magnitude, phase and waveform of the quantity being measured. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Relative error Dynamic error Gross error Absolute error Relative error Dynamic error Gross error Absolute error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 120° 30° 90° 0° 120° 30° 90° 0° ANSWER DOWNLOAD EXAMIANS APP