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 11.1 V. 15 V. 12.6 V. 10.6 V. 11.1 V. 15 V. 12.6 V. 10.6 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistance of 105 ohms is specified using significant figures as indicated below : 1. 105 ohms 2. 105.0 ohms 3. 0.000105 mega ohms Among these, 1, 2 and 3 represent same precision. 1 represents greater precision than 2 and 3. 2 represents greater precision but 1 and 3 represent same precision. 2 and 3 represent greater precision than 1. 1, 2 and 3 represent same precision. 1 represents greater precision than 2 and 3. 2 represents greater precision but 1 and 3 represent same precision. 2 and 3 represent greater precision than 1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is 110. 11. 100. 10. 110. 11. 100. 10. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Eddy current damping Fluid friction damping Air friction damping None of these Eddy current damping Fluid friction damping Air friction damping None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance can be measured most accurately by Multimeter Voltmeter-ammeter method Megger Bridge method Multimeter Voltmeter-ammeter method Megger Bridge method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from Any of above. The same source as the unknown voltage. A source other than the source of unknown voltage. A battery. Any of above. The same source as the unknown voltage. A source other than the source of unknown voltage. A battery. ANSWER DOWNLOAD EXAMIANS APP