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. 3.53 V. 4.54 V. 4.38 V. 5 V. 3.53 V. 4.54 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What are the SI units of mass, length and time respectively? g, m and s. kg, cm and s. kg, m and s. g, cm and s. g, m and s. kg, cm and s. kg, m and s. g, cm and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following essential featuresis possessed by an indicating instrument? Deflecting device Damping device All of the listed here Controlling device Deflecting device Damping device All of the listed here Controlling device ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Load impedance is high Load impedance is low Supply voltage is low None of these Load impedance is high Load impedance is low Supply voltage is low None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 2.5% ±3.5% ± 1% ± 1.5% ± 2.5% ±3.5% ± 1% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 1.5) A (400 ± 3) A (400 ± 2.24) A (400 ± 1) A (400 ± 1.5) A (400 ± 3) A (400 ± 2.24) A (400 ± 1) A ANSWER DOWNLOAD EXAMIANS APP