Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 4.38 V. 5 V. 4.54 V. 3.53 V. 4.38 V. 5 V. 4.54 V. 3.53 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative permittivity can be measured by _______ bridge Schering. Hays. Desautys. Wheatstones. Schering. Hays. 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 252 V. 248 V. 250 V. 260 V. 252 V. 248 V. 250 V. 260 V. 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% ± 3% ± 6% ± 2.8% ± 4% ± 3% ± 6% ± 2.8% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most simple. most accurate. most simple and least time consuming. least time consuming. most simple. most accurate. most simple and least time consuming. least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 40 mA. 50 mA. 25 mA. 80 mA. 40 mA. 50 mA. 25 mA. 80 mA. ANSWER DOWNLOAD EXAMIANS APP
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