Measurement and Instrumentation A potentiometer may be used for Calibration of ammeter Measurement of current Measurrment of resistance All of the listed here Calibration of ammeter Measurement of current Measurrment of resistance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 1 2 5 4 1 2 5 4 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Square of the current through the coil Sine of the measurand Current through the coil Squareroot of the measurand Square of the current through the coil Sine of the measurand Current through the coil Squareroot of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most simple and least time consuming. most simple. least time consuming. most accurate. most simple and least time consuming. most simple. least time consuming. most accurate. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When checked with an ohm meter an open resistor reads low but not zero. zero. high but within tolerance. infinite. low but not zero. zero. high but within tolerance. infinite. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for Low current measurements Low voltage measurements High current measurements High voltage measurements Low current measurements Low voltage measurements High current measurements High voltage measurements ANSWER DOWNLOAD EXAMIANS APP