Measurement and Instrumentation The moving coil-meters, damping is provided by eddy current disk. the aluminium frame of the coil. damping vane in the airtight chamber. the coil spring attached to the moving. eddy current disk. the aluminium frame of the coil. damping vane in the airtight chamber. the coil spring attached to the moving. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling Electrostatic coupling None of these Both A and B Electromagnetic coupling Electrostatic coupling None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 1000 ohm. 1 ohm. 100 ohm. 10 ohm. 1000 ohm. 1 ohm. 100 ohm. 10 ohm. 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 300V each 360V and 240V 400V and 200V One of the meters out of the range and other 100V 300V each 360V and 240V 400V and 200V One of the meters out of the range and other 100V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of load resistance is important in measurement of resistance of ammeter. resistance of shunt. both A and B. resistance of shunt winding. resistance of ammeter. resistance of shunt. both A and B. resistance of shunt winding. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 1. 0.5. none of above. 0. 1. 0.5. none of above. 0. ANSWER DOWNLOAD EXAMIANS APP
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