Electrical Circuit Calculation

What formula is used to calculate current in an electrical circuit?

In an ohmic circuit, what is the relationship between voltage, current, and resistance?

Formula for Calculating Current:

To calculate current in an electrical circuit, you can use the formula: I = V/R, where I is current, V is voltage, and R is resistance.

Relationship Between Voltage, Current, and Resistance:

In an ohmic circuit that follows Ohm's law (V=IR), the current flowing through the circuit is directly proportional to the voltage applied and inversely proportional to the resistance.

When dealing with electrical circuits, it is important to understand the relationship between voltage, current, and resistance. Ohm's law plays a crucial role in determining how these parameters are related to each other in an ohmic circuit.

The formula I = V/R is used to calculate the current flowing through a circuit when the voltage and resistance values are known. This formula helps in determining the amount of current that will flow in a circuit based on the voltage applied and the resistance it encounters.

As per Ohm's law, the current is directly proportional to the voltage and inversely proportional to the resistance. This means that if the voltage increases, the current will also increase, provided the resistance remains constant. Similarly, if the resistance in the circuit increases, the current will decrease if the voltage remains the same.

Understanding these basic principles of electricity and circuit analysis is essential for designing and troubleshooting electrical circuits in various applications.