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 1 mA. 4 mA. 2 mA. 3 mA. 1 mA. 4 mA. 2 mA. 3 mA. 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 One of the meters out of the range and other 100V 360V and 240V 400V and 200V 300V each One of the meters out of the range and other 100V 360V and 240V 400V and 200V 300V each ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electric pyrometer is an instrument used to measure Phase High temperatures Frequency None of the listed here Phase High temperatures Frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The best type of meter moment is ______ moment. Dynamometer D'Arsonval None of the listed here Iron- vane Dynamometer D'Arsonval None of the listed here Iron- vane ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by the coil spring attached to the moving. eddy current disk. damping vane in the airtight chamber. the aluminium frame of the coil. the coil spring attached to the moving. eddy current disk. damping vane in the airtight chamber. the aluminium frame of the coil. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Resistance of connecting leads. Contact resistance. All of above. Thermoelectric emfs. Resistance of connecting leads. Contact resistance. All of above. Thermoelectric emfs. ANSWER DOWNLOAD EXAMIANS APP