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How do you work out the current in a circuit?

Bmw1986 ∙

Lvl 1

∙ 15y ago

Updated: 8/10/2023

we can calculate the current in a commmon electrical circuit by this formulae i.e,I=V\R where i is the current flowing in the conductor, R is resistance , V is the voltage.. THE FORMULA IS CORRECT but the term conductor does not suffice an explanation since a conductor is low in resistance R= resistance not conduction.

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∙ 15y ago

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More answers

Amps = Voltage/Resistance, Amps = Watts/Voltage, Amps = Sq root of Watts/Resistance. in a complex circuit of resistance thevenin theorem works fine but there are nodal analysis

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Continue Learning about Engineering

What happens if there is no neutral in smps circuit?

No neutral means no current and it doesn't work.

How short circuit current measure?

In shortg circuit current is infinitive.

What is the formula for total current in a series circuit?

Current = (Voltage across the circuit) divided by (Total resistance of the circuit). The current is the same at every point in the series circuit.

In a series circuit what would happen if one of the bulbs stopped working?

All the bulbs will go out. In a series circuit, the current at all points is the same. This is Kirchoff's Current Law. If you loosen or remove a bulb in a series circuit, the current at that bulb becomes zero, and by Kirchoff's Current Law, the current in every part of the circuit also becomes zero.

When a current is stopped at any the whole circuit becomes open what current is that?

An open circuit has no current ( 0 amperes ).

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Related Questions

What is the type of circuit that will not work when a component burns out?

In a series circuit, if one component burns out, the circuit will not work because the current flow is interrupted by the burnt-out component. This is because components in a series circuit share the same current.

How do resistors work in a circuit to regulate the flow of electric current?

Resistors work in a circuit by impeding the flow of electric current, which helps regulate the amount of current that passes through the circuit. They do this by converting electrical energy into heat energy as the current passes through them, which reduces the overall flow of current in the circuit. This helps control the voltage and current levels in the circuit, allowing for proper functioning of electronic devices.

How do resistors work to limit the flow of electric current in a circuit?

Resistors work by impeding the flow of electric current in a circuit. They do this by resisting the flow of electrons, which reduces the amount of current that can pass through them. This restriction helps to control the amount of current in the circuit, which can be important for protecting components or controlling the overall function of the circuit.

Does current or voltage actually perform the work in a circuit?

Voltage is what drives the current to flow in a circuit, so it provides the potential energy to do work. The current then carries that energy through the circuit to power devices or perform work, such as generating heat or light. Both voltage and current are essential for work to be done in a circuit.

What cause a series circuit to work and not work?

A series circuit will work if there is a closed path through which the current can pass, and a voltage source. Otherwise it won't.

Why a circuit will not work if the switch is off?

Current flow path is open.

Why electric circuit so important?

because with no circuit no current can flow.current is important in electricity to produce power to work.

What happens to an electric current when a circuit is closed?

When a circuit is closed, meaning there is a complete path for the electric current to flow, the current will flow from the positive terminal of the voltage source through the circuit components and back to the negative terminal. This flow of current allows electrical energy to be transferred and work to be done in the circuit.

Will a circuit work without a switch?

Yes, a circuit can work without a switch if it is designed to be always on or if the components are connected directly without the need for a switch to control the flow of current. However, in many applications, a switch is necessary to control when the circuit is on or off.

How do resistors work in an electrical circuit?

Resistors work in an electrical circuit by limiting the flow of electric current. They are designed to resist the flow of electricity, which helps control the amount of current passing through a circuit. This resistance is measured in ohms and can be adjusted by changing the value of the resistor.

What happens if there is no neutral in smps circuit?

No neutral means no current and it doesn't work.

How does voltage cause current to work?

Voltage provides the "pressure" to push current "flow" through the circuit resistance.

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