Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0024 Ohm. 0.0012 Ohm. 240 Ohm. 120 Ohm. 0.0024 Ohm. 0.0012 Ohm. 240 Ohm. 120 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Sine of measured Square of current through coil The current through coil Square-root of current through coil Sine of measured Square of current through coil The current through coil Square-root of current through coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 99.99 K ohms 100 ohms 100 K ohms 99.99 ohms 99.99 K ohms 100 ohms 100 K ohms 99.99 ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of High AC voltage High DC voltage Low frequency voltage AC voltage of any form High AC voltage High DC voltage Low frequency voltage AC voltage of any form ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is None of these Short-circuited Faulty All right None of these Short-circuited Faulty All right ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What are the SI units of mass, length and time respectively? g, m and s. g, cm and s. kg, m and s. kg, cm and s. g, m and s. g, cm and s. kg, m and s. kg, cm and s. ANSWER DOWNLOAD EXAMIANS APP