Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 960 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 960 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It can be stated that No generalisation can be made with regard to the flux densities in CT and PT CT operates at almost the same flux density as a PT CT operates with a higher flux density than PT CT operates with considerably lower flux density than a PT No generalisation can be made with regard to the flux densities in CT and PT CT operates at almost the same flux density as a PT CT operates with a higher flux density than PT CT operates with considerably lower flux density than a PT ANSWER DOWNLOAD EXAMIANS APP
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 5 V. 3.53 V. 4.38 V. 4.54 V. 5 V. 3.53 V. 4.38 V. 4.54 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 3.9µF 2.4µF 0.9µF 1.5µF 3.9µF 2.4µF 0.9µF 1.5µF 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% 3% 2% 4% 1% 3% 2% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ instruments are those which measure the total quantity of the electricity delivered in a particular time. Integrating Recording Absolute Indicating Integrating Recording Absolute Indicating ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS