Measurement and Instrumentation The form factor in AC is the ratio of Rms value to average value Peak value to rms value Rms value to peak value Peak value to average value Rms value to average value Peak value to rms value Rms value to peak value Peak value to average value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Unit of deflection sensitivity of a CRO is V / mm. mm per mV. mm / V. meter / volt. V / mm. mm per mV. mm / V. meter / volt. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectric effect is carried out in crystal filter. m derived. constant k prototype. composite filter. crystal filter. m derived. constant k prototype. composite filter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 4% ± 6% ± 2.8% ± 3% ± 4% ± 6% ± 2.8% ± 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Moving iron type. Induction type. Dynamo-meter type. Multipliers. Moving iron type. Induction type. Dynamo-meter type. Multipliers. 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 Stray magnetic fields. Ripples of the DC supply. Errorneous standardisation. Stray thermal emfs. Stray magnetic fields. Ripples of the DC supply. Errorneous standardisation. Stray thermal emfs. ANSWER DOWNLOAD EXAMIANS APP
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