Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 0 V. 2 V. 5 V. (2 + √3/2)V. 0 V. 2 V. 5 V. (2 + √3/2)V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Negligible Positive Negative None of the listed here Negligible Positive Negative None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be 500 Hz. 625 Hz. 400 Hz. 250 Hz. 500 Hz. 625 Hz. 400 Hz. 250 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display Time invariant signals DC signals Both AC and DC signals AC signals Time invariant signals DC signals Both AC and DC signals AC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 3) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 1) A (400 ± 3) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 1) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as ratio of absolute error and true value. true error. None of these absolute error. ratio of absolute error and true value. true error. None of these absolute error. ANSWER DOWNLOAD EXAMIANS APP
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