Measurement and Instrumentation A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is 11. 10. 100. 110. 11. 10. 100. 110. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. An ammeter should have a very low resitance. Voltmeter should have very high resistance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. An ammeter should have a very low resitance. Voltmeter should have very high resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following units is a fundamental unit? Ampere Newton Joule/sec Watt Ampere Newton Joule/sec Watt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ? 0.15 N 3.33 N 0.3 N 6.66 N 0.15 N 3.33 N 0.3 N 6.66 N ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instruments do not have High sensitivity Absence of frequency error High degree of measuring accuracy Independence of ambient temperature High sensitivity Absence of frequency error High degree of measuring accuracy Independence of ambient temperature ANSWER DOWNLOAD EXAMIANS APP
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 a circle. sinisoidal. a straight line. an ellipse. a circle. sinisoidal. a straight line. an ellipse. ANSWER DOWNLOAD EXAMIANS APP