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When two resistors are in series, you add the elements together. When two elements are in parallel you multiply them and divide that by the sum. ie: parallel elements 7 ohms and 8 ohms (8*7)/(8+7).

If there are more than 2 in parallel however, just fill in this:

1/Req=1/R1 + 1/R2 + 1/RN

Req is the final answer of the equivalent resistance.
Rn means you keep adding the reciprocal of the other resistors in parallel.

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How to find Equivalent resistance when you have both parallel and series resistors?

To find equivalent resistance when you have both parallel and series resistors, start simple and expand... Find the smallest part of the circuit, such as a pair of resistors in series or a pair of resistors in parallel, and compute the equivalent single resistor value. Repeat that process, effectively covering more and more of the circuit, until you arrive at a single resistance that is equivalent to the circuit. For resistors in series: RTOTAL = R1 + R2 For resistors in parallel: RTOTAL = R1R2/(R1+R2)


What is a resistance network?

A resistance 'network' consists of a number of resistors connected together in series, or in parallel, or in series-parallel, or as a complex circuit. A 'complex' circuit is one that is not series, parallel, or series-parallel.


To connect a pair of resistors so that their equivalent resistance is greater than the resistance of either one should you connect them in series or in parallel?

When many resistances are connected in series, the equivalent resistance is greater than the greatest single resistance. When many resistances are connected in parallel, the equivalent resistance is less than the smallest single resistance.


Why dont series circuits shine as bright as parallel circuits?

By connecting components in series, you are increasing the equivalent resistance (known as thevenin resistance) of the circuit. Power is equivalent to Voltage^2 / Resistance. Therefore, by increase the resistance, you are decreasing the amount of power provided by the source.


What are some examples of the way you use resistance?

Parallel, series, and series parallel

Related Questions

What is the ratio of equivalent resistance of series and parallel combination of n equal resistance to the equivalent resistance on parallel combination?

The ratio of the equivalent resistance of series combination to the parallel combination of n equal resistors is (n^2 - 1)/n.


Three 8.0-W resistors are connected in series What is their equivalent resistance?

The equivalent resistance of resistors connected in series is simply the sum of their individual resistances. Therefore, the equivalent resistance of three 8.0-W resistors connected in series is 24.0 W.


How to find Equivalent resistance when you have both parallel and series resistors?

To find equivalent resistance when you have both parallel and series resistors, start simple and expand... Find the smallest part of the circuit, such as a pair of resistors in series or a pair of resistors in parallel, and compute the equivalent single resistor value. Repeat that process, effectively covering more and more of the circuit, until you arrive at a single resistance that is equivalent to the circuit. For resistors in series: RTOTAL = R1 + R2 For resistors in parallel: RTOTAL = R1R2/(R1+R2)


What is a resistance network?

A resistance 'network' consists of a number of resistors connected together in series, or in parallel, or in series-parallel, or as a complex circuit. A 'complex' circuit is one that is not series, parallel, or series-parallel.


What is the formula for calculating the equivalent resistance of a series circuit?

Equivalent resistance of a series circuit is the sum of the resistance of all appliances. The formula is R=R1+R2+... where R is equivalent resistance, R1, R2 and so on is the resistance of the individual appliances.


To connect a pair of resistors so that their equivalent resistance is greater than the resistance of either one should you connect them in series or in parallel?

When many resistances are connected in series, the equivalent resistance is greater than the greatest single resistance. When many resistances are connected in parallel, the equivalent resistance is less than the smallest single resistance.


Why dont series circuits shine as bright as parallel circuits?

By connecting components in series, you are increasing the equivalent resistance (known as thevenin resistance) of the circuit. Power is equivalent to Voltage^2 / Resistance. Therefore, by increase the resistance, you are decreasing the amount of power provided by the source.


What are some examples of the way you use resistance?

Parallel, series, and series parallel


Three resistances each of 4 ohm are connected to form a triangle the resistance between any two terminals is?

That's like having a series combination of 4 + 4 ohms, in parallel with another resistance of 4 ohms. Calculate the series resistance, then use the parallel formula to combine it with the third resistance.


What will the power be when the resistance is converted from parallel to series connection?

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What are some series parallel circuits practice problems that I can solve to improve my understanding of electrical circuits?

Here are some series-parallel circuits practice problems you can solve to improve your understanding of electrical circuits: Calculate the total resistance in a circuit with two resistors in series and one resistor in parallel. Determine the current flowing through each resistor in a circuit with three resistors in parallel. Find the voltage drop across each resistor in a circuit with two resistors in series and one resistor in parallel. Calculate the total power dissipated in a circuit with resistors connected in both series and parallel configurations. Determine the equivalent resistance of a complex circuit with multiple resistors connected in series and parallel. Solving these practice problems will help you develop a better understanding of series-parallel circuits and improve your skills in analyzing and solving electrical circuit problems.


What is resistive network?

A resistance 'network' consists of a number of resistors connected together in series, or in parallel, or in series-parallel, or as a complex circuit. A 'complex' circuit is one that is not series, parallel, or series-parallel.