Current Converter

Current Converter

Current

In a full electrical circuit, current is the rate at which electrons move past a certain point. Potential differences cause the flow of electrons. The rate of charge change over time is another name for current. I stands for current, and the SI unit of current is the ampere.

Current Formula

Ohm's law states that the current is proportional to the potential difference and resistance. Consequently, the present equation is as follows:

I = V/R

where

I stands for current in amps, V for potential difference in volts, and R for resistance in ohms.

Example

The resistance of the wires in an electric circuit is 14 ohms, but the total current flowing through it is 50 amps. Find the potential difference using the present formula.

Solution:

To figure out the potential difference:
I = 50 A, R = 14 given.
Utilizing the formula
I=V/R
50 =V/14
V=50 x 14 
I=V/R

The 700 V potential difference is the answer.

  • We may adapt the current formula to determine the voltage, i.e., V = IR, if the current (I) and resistance (R) of any circuit are known (Volts).
  • We can use the current formula to determine resistance, i.e., R = V/I (Ohms), if the current (I) and potential difference (V) of any circuit are known.

Electric current's characteristics

Let's study about the characteristics of electric current after defining it. In electrical circuits, electric current is a crucial quantity. Electricity has become so ingrained in our daily lives that it is difficult to picture existence without it. Therefore, understanding what current is and its characteristics is crucial.

  • We are aware that the movement of electrons produces electric current. Electrical energy is the name given to the labour involved in moving the electron stream. Heat energy, light energy, and other types of energy can all be created from electrical energy. For instance, heat energy is produced when electric energy is used in an iron box.
  • Alternating current (AC) and direct current are the two different types of electric current (DC). While alternating electricity can flow in both directions, direct current can only go in one direction. In industrial settings, direct current is rarely employed as the main energy source. The majority of its uses are low voltage ones, such aeroplane applications and battery charging. Appliances for both domestic and industrial and commercial use run on alternating current.
  • Amperes are used to measure electric current. An electric charge of one coulomb passing past a given place in one second is represented by one ampere of current.  1 ampere = 1 coulomb / 1 second
  • A positive charge would go in the direction that an electric current typically flows. From this point forward, the battery's negative terminal receives current flowing through the external circuit instead of its positive terminal.

Coulomb's law.

The product of the magnitudes of the charges and the square of the distance between them determines the magnitude of the electrostatic force of attraction or repulsion between two point charges.

Current Converter

Online converter for units of current, Ampere (A), milliampere (mA) and kiloampere (kA). Instantly convert any unit of current to all others units of current.

 


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