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Voltage is Current multiplied by Resistance. The formulas for calculating the resistance in parallel and series circuits are:
Resistors in Series:
R(total)=R1+R2+R3+...
Resistors in Parallel:
1/(Rtotal)=(1/R1)+(1/R2)+...
Current is a measure of Coulombs of charge per unit of time or
I=C/t
The current depends on the circuit, whether it has capacitors or resistors, and the exact layout. Current 'flows' through wires in much the same way that water flows through pipes, so if the current meets some resistance (a resistor), some of the current will go through the resistor, but the rest will go through any other available path (like in a parallel circuit).
What else can I help you with?
How do parallel circuits use current and voltage?
Kirchoff's voltage law: In a series circuit, the signed sum of the voltage drops around the circuit add up to zero. Since a parallel circuit (just the two components of the parallel circuit) also represents a series circuit, this means that the voltage across two elements in parallel must be the same.Kirchoff's current law: The signed sum of the currents entering a node is zero. In a series circuit, this means that the current at every point in that circuit is equal. In a parallel circuit, the currents entering that portion of the circuit divide, but the sum of those divided currents is equal to the current supplying them.
Explain why buildings are wired using parallel circuits rather than series circuits.?
Homes are wired in parallel because of basic electrical theory. If something in a series circuit fails, the electrons cannot flow anymore. The WHOLE circuit is now down. Also, the voltage would drop after every resistance. A breaker is on each separate circuit in your house as protection. Those separate circuits are broken down even more as parallel circuits. When you unplug something, the whole circuit isn't affect (well, current, but you can still use your other electronics). Also, voltage must be at a certain level for all our things. In series, the resistance would lower the voltage, which can harm electronics designed for higher voltages.
What does power divided by speed equal?
Ohm so correctly said: Voltage divided by current equals resistance. Voltage divided by current will tell you the value of a circuit's resistance. But resistance is not affected by either voltage or current. It is determined by the length, cross-sectional area, and resistivity (type of conducting material) of the conductor. Resistivity is, in turn, affected by temperature. So voltage divided by current tells you what the resistance happens to be - changes in voltage or current do not affect resistance.
What happens when one light bulb out of three goes out in a parallel circuit?
When three light bulbs are in parallel the voltage V on each is the same. Each bulb draws a certain amount of current, i1, i2, & i3. If all three are working they draw a total current I = i1 + 12 + 13 from your power source. And the energy they use is ,I x V. When one bulb goes out then the only thing affected is i3 = 0. The voltage is the same but the total current from your power source is less and therefore the total energy used is less. So nothing happens to the other two bulbs (that's one reason why all household outlets are in parallel) and you just use less energy.
What are the advantages of arranging bulbs in parallel?
You spread the voltage out equally over them all.
How many circuits in the parallel circuit?
In a parallel circuit, there are two or more branches connected to the voltage source, providing multiple paths for the current to flow. Each branch forms a separate circuit, but they share the same voltage source.
What is the disadvantage of parallel?
There are three disadvantages of parallel circuits. These include the fact that they have complex resistance, voltage that is limited, and a current that varies.
How does voltage and resistance behave in a series and a parallel circuit?
The current through each resistor is equal to the voltage across it divided by its resistance for series and parallel circuits.
What is the relationship between parallel and series circuits in electrical engineering?
In electrical engineering, parallel circuits have multiple paths for current flow, while series circuits have only one path. Parallel circuits have the same voltage across each component, while series circuits have the same current flowing through each component.
How does increasing the number of parallel circuits affect the voltage in an electrical system?
Increasing the number of parallel circuits in an electrical system does not affect the voltage. Voltage remains constant across all parallel circuits in the system.
Is voltage the same in parallel circuits?
No, voltage is not the same in parallel circuits. Voltage is constant across components in a series circuit, but in a parallel circuit, each component has the same voltage as the power source.
What is the parallel disadvantage circuit?
There are three disadvantages of parallel circuits. These include the fact that they have complex resistance, voltage that is limited, and a current that varies.
What is the same in a parallel circuit?
Always voltage constant in parallel circuit if you look your house wiring all are in parallel therefore 220 volt present in every house but current is different
Are parallel circuits like series circuits?
They are not exactly the same. A series circuit is one complete circuit with not other pathways. A parallel circuit is a complete circuit with multiple pathways . The resistance of a parallel circuit is completely different from the resistance of a series circuit. Therefore, this affects the voltage and the current produced,
What is same in the parallel circuit?
the term voltage is constant in parallel circuits
What is the parallell circuit?
There are three disadvantages of parallel circuits. These include the fact that they have complex resistance, voltage that is limited, and a current that varies.
In what ways are series and parallel circuits similar?
Series and parallel circuits are similar in that they both involve the flow of electric current through connected components. Additionally, both types of circuits follow the same laws of physics, such as Ohm's Law, which govern the relationship between voltage, current, and resistance.
