Measurement and Instrumentation Relative permittivity can be measured by _______ bridge Hays. Schering. Desautys. Wheatstones. Hays. Schering. Desautys. Wheatstones. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 248 V. 252 V. 260 V. 250 V. 248 V. 252 V. 260 V. 250 V. 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. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The household energymeter is An indicating instrument None of the listed here A recording instrument An integrating instrument An indicating instrument None of the listed here A recording instrument An integrating instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Exponential scale Linear scale Square-law scale Logarithmic scale Exponential scale Linear scale Square-law scale Logarithmic scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be thick. long. long and thin. thin. thick. long. long and thin. thin. ANSWER DOWNLOAD EXAMIANS APP
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