Measurement and Instrumentation The EMF of Weston standard cell is measured using Moving-coil meter Potentiometer Digital Volt meter Moving- iron meter Moving-coil meter Potentiometer Digital Volt meter Moving- iron meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 1 mA. 3 mA. 4 mA. 2 mA. 1 mA. 3 mA. 4 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.34 V. 1.7 V. 1.5 V. 1 V. 1.34 V. 1.7 V. 1.5 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 2 A. 4 A. 4.47 A. 5.78 A. 2 A. 4 A. 4.47 A. 5.78 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Thermocouple Hot wire Moving iron Dynamometer Thermocouple Hot wire Moving iron Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following is a variable displacement transducer? None of these tachometer potentiometer synchros None of these tachometer potentiometer synchros ANSWER DOWNLOAD EXAMIANS APP