Measurement and Instrumentation To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows sinisoidal. a circle. an ellipse. a straight line. sinisoidal. a circle. an ellipse. a straight line. 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. + 597 W. - 795 W. + 795 W. - 597 W. + 597 W. - 795 W. + 795 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring High frequency Very high frequency Low frequency Medium frequency High frequency Very high frequency Low frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.065 ± 0.045 ± 0.056 ± 0.054 ± 0.065 ± 0.045 ± 0.056 ± 0.054 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 µNm. 200 µNm. 2 µNm. 100 µNm. 1 µNm. 200 µNm. 2 µNm. 100 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Potential transformers Current transformers Either of the above Power transformers Potential transformers Current transformers Either of the above Power transformers ANSWER DOWNLOAD EXAMIANS APP
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