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what is the diference betwean calculated and maesured value

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11y ago

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How do we calculate the cold resistance of the bulb?

The cold resistance of a bulb can be approximated by measuring the resistance of the filament with a multimeter when the bulb is turned off and at room temperature. The resistance measured in this state can give an estimation of the cold resistance of the bulb. Keep in mind that this value may not be exact due to factors like the temperature coefficient of resistance and the non-linear behavior of the filament's resistance.


Is resistor measured in amps?

No, resistors are measured in ohms, not amps. Ohms represent the resistance offered by the resistor to the flow of current, whereas amps (amperes) represent the measure of current flowing through a circuit.


What is the value of amperes for 100 volts at constant resistance?

V = I*R, so take 100 volts and divide it by the value of the resistance to get the current. Current is measured in amperes.


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Percent error refers to the percentage difference between a measured value and an accepted value. To calculate the percentage error for density of pennies, the formula is given as: percent error = [(measured value - accepted value) / accepted value] x 100.


How do i find the current after it passes through a resistor?

Current can be measured with an ammeter. If you want to calculate it from other values, you will quite often use Ohm's Law (just divide voltage by resistance, if you know the resistance value of the resistor) - or perhaps a combination of Ohm's Law and Kirchoff's Laws.


How do you calculate the percentage error in a measurement or calculation?

To calculate the percentage error in a measurement or calculation, you first find the difference between the measured or calculated value and the accepted or true value. Then, divide this difference by the accepted value and multiply by 100 to get the percentage error. The formula is: Percentage Error (Measured Value - Accepted Value / Accepted Value) x 100


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Percentage error in p is calculated by taking the absolute difference between the measured value and the true value, dividing by the true value, and then multiplying by 100 to get the percentage. The formula is |(measured value - true value) / true value| * 100.