Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Negligible None of the listed here Positive Negative Negligible None of the listed here Positive Negative 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 ± 6% ± 3% ± 4% ± 2.8% ± 6% ± 3% ± 4% ± 2.8% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.75% 1.5% & 98.75% 1.5% & 99% 1.25% & 98.25% 1.25% & 98.75% 1.5% & 98.75% 1.5% & 99% 1.25% & 98.25% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is small. very high. ideally zero. high. small. very high. ideally zero. high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Minimize the effect of temperature variation. Reduce the size of the meter. Minimize the effect of stray magnetic fields. Obtaine large deflecting torque. Minimize the effect of temperature variation. Reduce the size of the meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be 625 Hz. 500 Hz. 400 Hz. 250 Hz. 625 Hz. 500 Hz. 400 Hz. 250 Hz. ANSWER DOWNLOAD EXAMIANS APP
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