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rl.bhat said:Find the inductive reactance XL.
Total impedance Z = Sqrt(R^2 + XL^2)
I = V/Z
RMS current stands for Root Mean Square current, which is a measure of the average current in an alternating current (AC) circuit. It takes into account both the magnitude and direction of the current, and is used to calculate the effective value of AC current.
RMS current is calculated by taking the square root of the average of the squared values of the current over one full cycle. This is typically done using a mathematical formula or using specialized equipment such as an oscilloscope.
The peak current is the maximum value of the current in an AC circuit, while the RMS current is the effective value that takes into account the entire waveform. Peak current is typically used to measure the maximum capacity of a circuit, while RMS current is used to calculate power and determine the overall impact on the circuit.
Some common issues with measuring RMS current include improper calibration of equipment, noise interference, and fluctuations in the circuit. It is important to use accurate and calibrated equipment and to take multiple measurements to ensure accuracy.
RMS current is used in the design and analysis of AC circuits, as well as in the measurement of power consumption. It is also used in the development of electrical devices and appliances to ensure they can handle the expected current load. In addition, RMS current is important in electrical safety, as it helps determine the maximum safe operating levels for different circuits.