Measurement and Instrumentation What is the name of physical quantities which are independent of each other? None of these Fundamental quantity Numerical quantity Derived quantity None of these Fundamental quantity Numerical quantity Derived quantity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be long and thin. thick. long. thin. long and thin. thick. long. thin. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of resistance of shunt. resistance of ammeter. both A and B. resistance of shunt winding. resistance of shunt. resistance of ammeter. both A and B. resistance of shunt winding. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. Errorneous standardisation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following? Frequency measurment modes only. Frequency and period measurment modes, respectively. Period and frequency measurement modes respectively. Period measurment modes only. Frequency measurment modes only. Frequency and period measurment modes, respectively. Period and frequency measurement modes respectively. Period measurment modes only. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ±3.5% ± 1.5% ± 1% ± 2.5% ±3.5% ± 1.5% ± 1% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP