Measurement and Instrumentation Ampere is one of the Derived units Supplementary units Units used to measure charge Base units Derived units Supplementary units Units used to measure charge Base units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Accelerating anode X-Y plates Cathode Grid Accelerating anode X-Y plates Cathode Grid ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 0 W. 25 W. 50 W. 100 W. 0 W. 25 W. 50 W. 100 W. 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 a circle. a straight line. an ellipse. sinisoidal. a circle. a straight line. an ellipse. sinisoidal. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be Very small Medium Infinity High Very small Medium Infinity High ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron voltmeter Permanent Magnet Type ammeter Moving iron ammeter Induction type ammeter Moving iron voltmeter Permanent Magnet Type ammeter Moving iron ammeter Induction type ammeter ANSWER DOWNLOAD EXAMIANS APP