Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 20. 10√3. 10. 20√3. 20. 10√3. 10. 20√3. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is a Integrating instrument Secondary instrument Recording instrument Absolute instrument Integrating instrument Secondary instrument Recording instrument Absolute instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The multiplier and the meter coil in a voltmeter are in Series-parallel None of the listed here Parallel Series Series-parallel None of the listed here Parallel Series ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that reduction of the cost. attaining balance condition is easier. measures high Q inductors. balance equation independent of frequency. reduction of the cost. attaining balance condition is easier. measures high Q inductors. balance equation independent of frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. Stray thermal emfs. Errorneous standardisation. Stray magnetic fields. Ripples of the DC supply. 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 Power proportional to 3 phase power if the load is balanced Active power of Y phase Reactive power of R phase Active power in R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Reactive power of R phase Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
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