Measurement and Instrumentation No eddy current and hysteresis losses occur in PMMC instruments Moving iron instruments Electrodynamo meter instruments Electrostatic instruments PMMC instruments Moving iron instruments Electrodynamo meter instruments Electrostatic instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the unit of plane angle? Steradian Candela Radian Degree Steradian Candela Radian Degree ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron instrument can be used for AC only DC only Both DC& AC None of the listed here AC only DC only Both DC& AC None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? Voltmeter should have very high resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. Voltmeter should have very high resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. 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 3 mA. 1 mA. 2 mA. 4 mA. 3 mA. 1 mA. 2 mA. 4 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? Moving coil voltmeter Moving iron voltmeter CRO VTVM Moving coil voltmeter Moving iron voltmeter CRO VTVM ANSWER DOWNLOAD EXAMIANS APP