Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 50Hz 500Hz 1kHz 100Hz 50Hz 500Hz 1kHz 100Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Wheatstone bridge Voltmeter and ammeter Ohmmeter Potentiometer Wheatstone bridge Voltmeter and ammeter Ohmmeter Potentiometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is very high. small. high. ideally zero. very high. small. high. ideally zero. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Ac generator Any of the listed here Permanent magnet dc generator Battery Ac generator Any of the listed here Permanent magnet dc generator Battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Silver Soft steel Copper Aluminium Silver Soft steel Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
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