Measurement and Instrumentation Which amplifier in used in an electronic amplifier? Wideband amplifier. Power amplifier. Differential amplifier. Butter amplifer. Wideband amplifier. Power amplifier. Differential amplifier. Butter amplifer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 2 µNm. 200 µNm. 100 µNm. 1 µNm. 2 µNm. 200 µNm. 100 µNm. 1 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by None of the listed here A multiplier Changing number of turns of operating coil A shunt None of the listed here A multiplier Changing number of turns of operating coil A shunt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 28.12 W. 25.45 W. None of these 32.56 W . 28.12 W. 25.45 W. None of these 32.56 W . ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 1% 2% 3% 4% 1% 2% 3% 4% 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 ± 3% ± 6% ± 4% ± 2.8% ± 3% ± 6% ± 4% ± 2.8% ANSWER DOWNLOAD EXAMIANS APP