Measurement and Instrumentation What is the expression for momentum? mass × acceleration force × displacement mass × velocity change of velocity / time mass × acceleration force × displacement mass × velocity change of velocity / time ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be Very small High Infinity Medium Very small High Infinity Medium ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is 4% 3% 5% 6% 4% 3% 5% 6% 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 25 W. 0 W. 100 W. 50 W. 25 W. 0 W. 100 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resolution of an instrument is the maximum quantity it can measure. the maximum non linearity. the minimum quantity it can measure. ability to distinguish polarity. the maximum quantity it can measure. the maximum non linearity. the minimum quantity it can measure. ability to distinguish polarity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as None of these absolute error. ratio of absolute error and true value. true error. None of these absolute error. ratio of absolute error and true value. true error. ANSWER DOWNLOAD EXAMIANS APP