Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.75% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.25% 1.25% & 98.75% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.25% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Square-root of current through coil The current through coil Sine of measured Square of current through coil Square-root of current through coil The current through coil Sine of measured Square of current through coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A mulliammeter can be used as Wattmeter Frequency meter Voltmeter and ammeter Ohmmeter Wattmeter Frequency meter Voltmeter and ammeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Accelerating anode Cathode X-Y plates Grid Accelerating anode Cathode X-Y plates Grid ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows an ellipse. a circle. a straight line. sinisoidal. an ellipse. a circle. a straight line. sinisoidal. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken Any of the above From a source which is not the same as the unknown voltage From a battery From the same source as the unknown voltage Any of the above From a source which is not the same as the unknown voltage From a battery From the same source as the unknown voltage ANSWER DOWNLOAD EXAMIANS APP