Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Non conducting and magnetic material Conducting and magnetic material Conducting and non magnetic material None of the listed here Non conducting and magnetic material Conducting and magnetic material Conducting and non magnetic material None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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 (2 + √3/2)V. 5 V. 0 V. 2 V. (2 + √3/2)V. 5 V. 0 V. 2 V. 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 ± 1) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 3) A (400 ± 1) A (400 ± 2.24) A (400 ± 1.5) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Induction type. Moving iron type. Multipliers. Dynamo-meter type. Induction type. Moving iron type. Multipliers. Dynamo-meter type. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 4.38 V. 3.53 V. 4.54 V. 5 V. 4.38 V. 3.53 V. 4.54 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate error due to temperature true variations. error due to strong magnetic field. none of these. both A and B. error due to temperature true variations. error due to strong magnetic field. none of these. both A and B. ANSWER DOWNLOAD EXAMIANS APP
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