Dr.Phy said:
Dr.Phy said:
Then I did it so:R23=2Ω +2Ω =4Ω and 1/Re=1/4Ω + 1/2Ω +1/2Ω = 5/4Ω Re=4Ω /5? Is this the right way of slowing it?ehild said:Yes.
ehild
Dr.Phy said:
Dr.Phy said:
Dr.Phy said:
Pranav-Arora said:
Dr.Phy said:
Equivalent resistance refers to the combined resistance of multiple resistors in a circuit, reduced to a single resistor. It is the resistance that would produce the same current if it were inserted in place of the entire network of resistors.
The equivalent resistance of resistors in series is calculated by adding up the individual resistances. For resistors in parallel, the equivalent resistance is calculated using the formula 1/R = 1/R1 + 1/R2 + ... + 1/Rn. For more complex circuit configurations, Kirchhoff's laws are used to calculate equivalent resistance.
Equivalent resistance is important because it simplifies complex circuits, making it easier to analyze and understand the behavior of the circuit. It also allows us to determine the total resistance in a circuit, which is necessary for calculating current and voltage.
Adding resistors in series increases the equivalent resistance, resulting in a smaller current and larger voltage drop. Adding resistors in parallel decreases the equivalent resistance, resulting in a larger current and smaller voltage drop.
No, the equivalent resistance of a circuit cannot be negative. Resistance is a physical property that represents the opposition to the flow of current, and it cannot have a negative value. If the calculated equivalent resistance is negative, it is likely due to an error in the calculations.
