Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 100 ohm. 1 ohm. 1000 ohm. 10 ohm. 100 ohm. 1 ohm. 1000 ohm. 10 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 50Hz 500Hz 100Hz 1kHz 50Hz 500Hz 100Hz 1kHz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as absolute error. true error. None of these ratio of absolute error and true value. absolute error. true error. None of these ratio of absolute error and true value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Peak value to average value Peak value to rms value Rms value to average value Rms value to peak value Peak value to average value Peak value to rms value Rms value to average value Rms value to peak value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Sine inverse of measurand Measurand Sine of the measurand Square of the measurand Sine inverse of measurand Measurand Sine of the measurand Square of the measurand 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 Active power in R phase Active power of Y phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power in R phase Active power of Y phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced ANSWER DOWNLOAD EXAMIANS APP
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