Question

Формула расчета мощности электрического тока!

Answer 1

Мощность постоянного тока  P=I*U
P= I^2*R
P= U^2/R

Answer 2

Formula for Calculating Electrical Current

The formula for calculating the electrical current (I) is given by Ohm's law, which states that the current flowing through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance between them. The formula is expressed as:

I = U / R

Where: - I = Current (in amperes, A) - U = Voltage (in volts, V) - R = Resistance (in ohms, Ω)

Additional Information

In some cases, the formula for calculating current can also be expressed using power (P) and voltage (U) as follows:

I = P / U

Where: - I = Current (in amperes, A) - P = Power (in watts, W) - U = Voltage (in volts, V)

Practical Application

In practical applications, the calculation of electrical current is essential for determining the amount of current flowing through a circuit, which is crucial for ensuring the proper functioning and safety of electrical systems. Understanding and applying the formula for calculating electrical current is fundamental in electrical engineering, electronics, and various other fields that involve working with electrical circuits and systems.

Conclusion

The formula for calculating electrical current, as per Ohm's law, provides a fundamental understanding of the relationship between voltage, current, and resistance in electrical circuits. This knowledge is essential for various practical applications in the field of electrical engineering and related disciplines.