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How do you calculate total power in parallel?

Anonymous

∙ 13y ago

Updated: 12/11/2022

Either (1) determine the power of each branch, and add them together, or (2) multiply the load current by the supply voltage.

Wiki User

∙ 13y ago

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Q: How do you calculate total power in parallel?

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What is the overal power factor is two motors connected in parallel?

It's the ratio of the total power of the two motors and their total apparent power (input side, of course.)

How do you calculate the energy dissipation by bulbs of different power rates connected in series and in parallel?

For lamps in parallel, it's straightforward, as you only need to add the individual power ratings to find the total power rating and multiply this value for the time over which they operate, to determine the energy dissipation.For lamps in parallel, it's far more complicated. Lamps in parallel are not subject to their rated voltages and, so, cannot operate at their rated powers. In fact, the lamp with the lowest power rating will actually burn the brightest! Trying to calculate what is going on is further complicated by the fact that there is significant difference in the resistance of a lamp when it is operating at its operating temperature and when it is cold, and you cannot determine these resistances theoretically. So, while you can determine the answer to your question experimentally -by measuring the current and voltage- it is not practical to calculate the answer you are looking for.

How to calculate a parallel circuit with more than one load in its branches?

If a 'parallel' circuit has more than one load in its (not "it's"!) branches, then it is not a parallel circuit, but a series-parallel circuit! To resolve the circuit, you must first resolve the total resistance of the loads within each branch.

How can calculate the current of 3 resistors wired in parallel?

In this case, to get the equivalent resistance, first you use the parallel formula (1/R = 1/R1 + 1/R2) to calculate the equivalent resistors in parallel. Then you calculate the series resistance of this combination, with the other resistor.

In a parallel circuit adding more bulbs will increase?

It will decrease the effective load resistance across the power supply terminals, increase the total current through the load, and increase the total power required to be supplied by the power supply.

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Related Questions

How do you calculate the energy used in a parallel circuit?

In a parallel circuit, the total energy used is the sum of the energy used by each individual component in the circuit. You can calculate the energy used by each component using the formula: Energy = Power x Time. Add up the energy used by all components to find the total energy used in the parallel circuit.

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

It depends upon the resistance values. Series resistance is the summation of all of the resistances, but to calculate the parallel is more complicated. Once the total resistance of each configuration is known, find the total current for each then multiply the current by the source voltage and this will provide the power.

Why is the total power equals the sum of the individual values of power in a series circuit or a parallel circuit is used?

The total power equals the sum of the individual powers because power is the rate at which energy is supplied. Whether you have a series or parallel circuit, the total power comes from the power source.

In a parallel circuit does the power of each branch add up?

Yes, the total power dissipated through the circuit is equal to the sum of the power of each branch in a parallel circuit.

What are some parallel circuits practice problems that can help me improve my understanding of electrical circuits?

One practice problem for understanding parallel circuits is to calculate the total resistance in a circuit with multiple parallel branches. Another practice problem could involve determining the current flowing through each branch of a parallel circuit. Additionally, you could try calculating the total power consumed by the components in a parallel circuit. These practice problems can help improve your understanding of electrical circuits.

What is the overal power factor is two motors connected in parallel?

It's the ratio of the total power of the two motors and their total apparent power (input side, of course.)

How do you calculate the total mA needed to power 3 9v DC 200 mA devices?

Separate devices should always be hooked up in parallel, and not series. Therefore, you would combine the total current requirement, which in this case is 600mA or 0.6A. You would therefore need a 9V power supply that is capable supplying at least 0.6A. It depends on whether the devices are connected in series or parallel or some combination of the two. The current in a series circuit is the same throughout the circuit. The current in a parallel circuit is the sum of the current in each parallel branch If the three devices are connected in series, the required current is 200mA. If the three devices are connected in parallel, the required current is 600mA The total power required by a circuit is the sum of the power consumed by each component. It doesn't matter if the devices are connected in series or parallel. Power = voltage x current. If the three devices are in series, the power consumed by one of them is 9 x .2 = 1.8 watts. The total power consumed is 1.8 x 3 = 5.4W If the three devices are connected in parallel, the power consumed is 9 x .6 = 5.4W Notice that the power consumed is the same for the series and parallel combination. The battery (or power supply) must be able to supply 5.4 watts.

How do you calculate the energy dissipation by bulbs of different power rates connected in series and in parallel?

For lamps in parallel, it's straightforward, as you only need to add the individual power ratings to find the total power rating and multiply this value for the time over which they operate, to determine the energy dissipation.For lamps in parallel, it's far more complicated. Lamps in parallel are not subject to their rated voltages and, so, cannot operate at their rated powers. In fact, the lamp with the lowest power rating will actually burn the brightest! Trying to calculate what is going on is further complicated by the fact that there is significant difference in the resistance of a lamp when it is operating at its operating temperature and when it is cold, and you cannot determine these resistances theoretically. So, while you can determine the answer to your question experimentally -by measuring the current and voltage- it is not practical to calculate the answer you are looking for.

What is the current called when it flows from and back to the power supply in a parallel circuit?

The current that flows from and back to the power supply in a parallel circuit is called branch current. Each branch in a parallel circuit has its own current flow that combines to form the total current drawn from the power supply.

A 120 ohm resistor a 60 ohm resistor and a 40 ohm resistor are connected in parallel to a 120 volt power source. What is the current running through the entire circuit?

6

What is the relationship between the total power supplied and the power consumed by the individual resistors in a parallel circuit?

power supplied=sum of powers delivered to individual elements

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.

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