canneet he output of the DC voltage source to the snalog mulimeter input making

Question

canneet he output of the DC voltage source to the snalog mulimeter input making sure that is off. of the supply, measure several values on different points of the selected range) voltage from to calculate the limiting error tbe in 1.2. Table 1.2 in percent and in volts. Enter the results in Table 12 Reading, V Limiting error. Limiting error, V An AV-100 Calculations: An on m H.02. 1.00 0.05 1.02 98.07. object 2. A statistical analysis of measurement data 1. set the analog multimeter for a resistance measurement and select a desired range. 2 Measure the value of resistances of the same tolerance resistors and enter the results in Table 1.3. 3, calculate the arithmetic mean, the standard deviation, the probable error and the resistor tolerance in percentage. Enter the results in Table 13. (Note R R and tolerance mi(r/Rx100%). i

Explanation / Answer

For value of voltages

In limiting error the error is guarenteed to be of the same magnitude for any possible voltage value. That is why limiting error is also known as guarantee error. The limiting error ( is specified by the manufacturer to define the maximum limit of the error that may occur in the instrument.From the table 1.2 we can see that for an reading value Am the limiting error is approximately 1.

For value of resistances

We observe that when we take large number of readings we can reduce the amount of deviation and arrive at an actual value.Probable error value of resistance is probable in the sense that there is an even chance that any one of readings will have a random error no greater than ±0.0915.A maximum deviation of 0.923% can be allowed for resistance from conventional true value

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