Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a portable instrument , the controlling torque is provided by All of the listed here Eddy currents Spring Gravity All of the listed here Eddy currents Spring Gravity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is 6% 4% 3% 5% 6% 4% 3% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From a source which is not the same as the unknown voltage From a battery From the same source as the unknown voltage Any of the above From a source which is not the same as the unknown voltage From a battery From the same source as the unknown voltage Any of the above ANSWER DOWNLOAD EXAMIANS APP
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 Purely mechanical instrument cannot be used for dynamic measurements because they have large time constant. high inertia. higher response time. All of these large time constant. high inertia. higher response time. All of these ANSWER DOWNLOAD EXAMIANS APP
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