Milliwatts To Milliamps Formula:
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The Milliwatts to Milliamps conversion calculates electrical current (in milliamps) from power (in milliwatts) and voltage. This conversion is essential in electronics and electrical engineering for circuit design and analysis.
The calculator uses the formula:
Where:
Explanation: The formula directly converts power to current using Ohm's law principle, where current equals power divided by voltage.
Details: Accurate current calculation is crucial for designing electronic circuits, selecting appropriate components, ensuring proper power delivery, and preventing circuit overload or damage.
Tips: Enter power in milliwatts and voltage in volts. Both values must be positive numbers greater than zero for accurate calculation.
Q1: Why convert milliwatts to milliamps?
A: This conversion helps engineers and technicians determine the current draw of electronic components when power consumption and operating voltage are known.
Q2: What is the relationship between power, voltage and current?
A: According to Ohm's law, Power (P) = Voltage (V) × Current (I). Therefore, Current (I) = Power (P) / Voltage (V).
Q3: Can this calculator be used for AC circuits?
A: This calculator is primarily designed for DC circuits. For AC circuits, additional factors like power factor need to be considered.
Q4: What are typical applications of this conversion?
A: Battery life estimation, circuit design, component selection, power supply design, and electrical system analysis.
Q5: How accurate is this conversion?
A: The conversion is mathematically exact for DC circuits. Accuracy depends on the precision of the input values.