Formula For Parallel Circuit

The formula for a parallel circuit is:

$$I = \frac{V}{R}$$

where

I

is the current in amps *

V

is the voltage in volts *

R

is the resistance in ohms

To find the total resistance of a parallel circuit, you can use the following formula:

$$\frac{1}{R_T} = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3} + ...$$

where

R_T

is the total resistance in ohms *

R_1

R_2

R_3

, etc. are the individual resistances in ohms

For example, if you have a parallel circuit with three resistors of 1 ohm, 2 ohms, and 3 ohms, the total resistance would be:

$$\frac{1}{R_T} = \frac{1}{1} + \frac{1}{2} + \frac{1}{3} = \frac{6}{6} = 1$$

So, the total resistance of the circuit would be 1 ohm.

Parallel circuits are used in a variety of applications, such as in electrical distribution systems, in electronic circuits, and in automotive applications.

Here are some of the advantages of using parallel circuits:

Increased current capacity:

Parallel circuits can carry more current than series circuits, because the current is divided among the individual branches of the circuit. *

Lower resistance:

The total resistance of a parallel circuit is less than the resistance of any of the individual resistors in the circuit. This means that parallel circuits can provide more current with less voltage drop. *

Greater voltage stability:

If one resistor in a parallel circuit fails, the other resistors will still be able to carry current, so the circuit will not be interrupted.

Here are some of the disadvantages of using parallel circuits:

More complex:

Parallel circuits are more complex to design and troubleshoot than series circuits. *

More expensive:

Parallel circuits require more components than series circuits. *

Less efficient:

Parallel circuits are less efficient than series circuits, because some of the power is lost in the resistance of the individual resistors.

Overall, parallel circuits are a versatile and efficient way to distribute electrical power. They are used in a wide variety of applications, and their advantages and disadvantages should be carefully considered when designing a circuit.

5 Parallel Circuits Chapter Topics Covered In Ppt Online