Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High frequencies Power frequencies High load on the transformer Low frequencies High frequencies Power frequencies High load on the transformer Low frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which amplifier in used in an electronic amplifier? Power amplifier. Wideband amplifier. Differential amplifier. Butter amplifer. Power amplifier. Wideband amplifier. Differential amplifier. Butter amplifer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter C. energy meter None of these C. ammeter hour meter C. ammeter C. energy meter None of these C. ammeter hour meter 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. √2V. 2V. 2√2V. Zero. √2V. 2V. 2√2V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these, 1, 2 and 3 represent same precision. 1 represents greater precision than 2 and 3. 2 and 3 represent greater precision than 1. 2 represents greater precision but 1 and 3 represent same precision. 1, 2 and 3 represent same precision. 1 represents greater precision than 2 and 3. 2 and 3 represent greater precision than 1. 2 represents greater precision but 1 and 3 represent same precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Peak value to rms value Rms value to peak value Rms value to average value Peak value to average value Peak value to rms value Rms value to peak value Rms value to average value Peak value to average value ANSWER DOWNLOAD EXAMIANS APP