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That's a matter of opinion. Here's mine:

The most important component of an electric circuit is the power supply.

Because without it, no other component of the circuit does anything.

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11y ago
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Wiki User

15y ago

I'm not an engineer, but my first thought would be the circuit breaker working correctly and sized right for safety.

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Q: What is the most important component of electric circuit and why?
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Circuit diagram of an electric stove plugged into the socket?

circuit diagram is the most important in electric stove plugged into the socket


4 most important factors in an electric circuit?

electromotive force, current, resistance, and power


Electric fences are not connected to the ground in the circuit?

A short answer:An electric fence is connected to the ground only when an animal or a human being touches it to complete a circuit from the fence to the ground.A longer answer:The wires of an electric fence are not connected directly to the ground because, if that was done, the fence would be shorted out and would not be able to do its job!This is how an electric fence is actually hooked-up: the electric fence is connected to one side of a specially designed high voltage source and the return side of that source is connected to the ground.Then, whenever the skin of any animal - or human - touches the wire whilst standing on the ground in bare feet, they get a high-voltage (10,000) DC electric pulse from the electric fence. The shocks are designed to be only enough to make them jump back from the fence, not to "electrocute" them so badly as to cause serious injury or death.


Which electrical protective device is designed to detect a difference in a current between circuit wires and interrupt the circuit and stop the flow of electricity?

A resistor is a device designed to detect difference in current and stop the flow of electricity. On most every type of electric engine or circuit has a resistor.


What si th difference between a series and parallel circuit?

The primary difference between a series and a parallel circuit is how many pathways the current has to travel in. Let's look at both of them and see what's up. In a simple series circuit, there is only one path for current. The current must flow through every component in the circuit.

Related questions

Circuit diagram of an electric stove plugged into the socket?

circuit diagram is the most important in electric stove plugged into the socket


4 most important factors in an electric circuit?

electromotive force, current, resistance, and power


Fuse should be connected to a circuit by parallel?

Fuse is a circuit element which disconnects the electrical current from the mains"supply" feeding the load when a condition of fault "short circuit " occurs. one behaviour of electric current that it flows undivided in circuit elements connected in series and is divided when flows in circuit elements connected in parallel. so in order to protect a circuit fuse MUST be connected in series to cut/disconnect the faulty current in a safe/short time. if u connect a fuse in parallel to a component then u will be shorting that component and the component will not function ;because the fuse is a thin wire with a negligible resistance and electrical current flows in the most easy "less resistive" component. besides a short circuit will happen immediatly because u connectthe supply to the neutral! hope that helps.


Which component is used to measure the current in a circuit?

an ampmeter. Most DVM's have them, or you can use a clamp on style.


Is The microprocessor the most important component of a computer and usually the most expensive single component?

Yes the CPU (aka microprocessor or Central Processing Unit) is the most important, but it is not necessarily the most expensive.


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coordination is the most important component


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The most important component of tendon tissue is?

Collagen fibres.


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Electric fences are not connected to the ground in the circuit?

A short answer:An electric fence is connected to the ground only when an animal or a human being touches it to complete a circuit from the fence to the ground.A longer answer:The wires of an electric fence are not connected directly to the ground because, if that was done, the fence would be shorted out and would not be able to do its job!This is how an electric fence is actually hooked-up: the electric fence is connected to one side of a specially designed high voltage source and the return side of that source is connected to the ground.Then, whenever the skin of any animal - or human - touches the wire whilst standing on the ground in bare feet, they get a high-voltage (10,000) DC electric pulse from the electric fence. The shocks are designed to be only enough to make them jump back from the fence, not to "electrocute" them so badly as to cause serious injury or death.


What printed circuit board is the most important circuit board in the computer?

The motherboard aka mainboard