Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ballastic galvanometer Flux meter Ammeter Voltmeter Ballastic galvanometer Flux meter Ammeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.50 A. 0.70 A. 0.25 A. 0.67 A. 0.50 A. 0.70 A. 0.25 A. 0.67 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Sine of measured Square-root of current through coil Square of current through coil The current through coil Sine of measured Square-root of current through coil Square of current through coil The current through coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many time-base circuits does a dual face CRO can have? 2. 3. 4. 1. 2. 3. 4. 1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 120° 90° 30° 0° 120° 90° 30° 0° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Active power in R phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
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