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. 2 5 4 1 2 5 4 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Dynamometer Permanent magnet moving coil Hot wire Moving iron Dynamometer Permanent magnet moving coil Hot wire Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The rectifier instrument is not free from Frequency error Temperature error All of the listed here Wave shape error Frequency error Temperature error All of the listed here Wave shape error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 360V and 240V 300V each 400V and 200V One of the meters out of the range and other 100V 360V and 240V 300V each 400V and 200V One of the meters out of the range and other 100V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The multiplier and the meter coil in a voltmeter are in Parallel Series-parallel Series None of the listed here Parallel Series-parallel Series None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A function generator. An ammeter. A frequency meter. A potentiometer. A function generator. An ammeter. A frequency meter. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP