Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 360V and 240V 300V each One of the meters out of the range and other 100V 400V and 200V 360V and 240V 300V each One of the meters out of the range and other 100V 400V and 200V 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. 80 mA. 50 mA. 25 mA. 40 mA. 80 mA. 50 mA. 25 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read - 597 W. - 795 W. + 795 W. + 597 W. - 597 W. - 795 W. + 795 W. + 597 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ instruments are those which measure the total quantity of the electricity delivered in a particular time. Recording Absolute Integrating Indicating Recording Absolute Integrating Indicating ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Square-root of current through coil The current through coil Sine of measured Square of current through coil Square-root of current through coil The current through coil Sine of measured Square of current through coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be thick. thin. long. long and thin. thick. thin. long. long and thin. ANSWER DOWNLOAD EXAMIANS APP
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