Jawaharlal Nehru Technological University Hyderabad
Jawaharlal Nehru Technological University Hyderabad B.Tech II ELECTRONIC MEASUREMENTS Previous Question Paper (October - 2020 - R18)
Answer any five questions. All questions carry equal marks.
Main
Two resistors have the following ratings:
the magnitude of error in each resistor
Answer
The magnitude of the limiting error for each resistor is calculated by multiplying the nominal value by the percentage tolerance.
For R1 = 36Ω ± 5%:
For R2 = 75Ω ± 5%:
the limiting error in ohms and in percent when the resistors are connected in series
Answer
When resistors are connected in series, the total resistance is Rs = R1 + R2 = 36 + 75 = 111Ω. The limiting error in the sum is the sum of the individual absolute errors.
The limiting error in percent is:
the limiting error in ohms and in percent when the resistors are connected in parallel
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Analyze the characteristics of various IEEE standards.
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Examine the calibration of an oscilloscope.
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Describe the primary calibration and secondary calibration.
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Categorize different modes of operation of frequency counters.
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List out and explain the uses of digital multimeter.
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Construct Kelvin Double Bridge and explain.
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Compare the functionality and performance characteristics of display devices and display systems.
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