Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 2.5% ± 7.5 % ± 1.5% ± 20% ± 2.5% ± 7.5 % ± 1.5% ± 20% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because None of above. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. The precision in measurment is independent of the type of the defector used. None of above. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. The precision in measurment is independent of the type of the defector used. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Current will decrease resistance None of these Voltage source will increase resistance The ohmmeter has its own internal battery Current will decrease resistance None of these Voltage source will increase resistance The ohmmeter has its own internal battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 12.6 V. 11.1 V. 15 V. 10.6 V. 12.6 V. 11.1 V. 15 V. 10.6 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Either of the above Current transformers Power transformers Potential transformers Either of the above Current transformers Power transformers Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Environmental errors Systematic errors Gross errors Random errors Environmental errors Systematic errors Gross errors ANSWER DOWNLOAD EXAMIANS APP
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