Measurement and Instrumentation Commonly used instruments in power system measurement are Induction Electrostatic Rectifier Moving coil or iron Induction Electrostatic Rectifier Moving coil or iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 2 Nm. 200 Nm. 1 Nm. 100 Nm. 2 Nm. 200 Nm. 1 Nm. 100 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for Low voltage measurements High voltage measurements Low current measurements High current measurements Low voltage measurements High voltage measurements Low current measurements High current measurements ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following essential featuresis possessed by an indicating instrument? All of the listed here Damping device Controlling device Deflecting device All of the listed here Damping device Controlling device Deflecting device ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 50W 200W 100W 150W 50W 200W 100W 150W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which wave has the least form factor? Square wave Sine wave Rectangular wave Triangular wave Square wave Sine wave Rectangular wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP