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A: The coil is really a transformer. The 12 enter the coils and charges with current as the point opens up this charge is released as energy about 100 mw. This release is transformed to hi voltage at the secondary by a primary to secondary turn ratio like 1:3333 more or less. Since the primary is open the same ratio will feed the primary that is why we see ringing and the point have capacitor to protect from false firing.

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The coil is a transformer, but we know that DC will not work with a transformer. A supply of 12 volts DC is applied to the coil's primary winding. In series with this coil is a set of breaker points. These points are used to interrupt the 12 volt supply from the coil. When the 12 volt supply is interrupted, the magnetic field around the primary winding collapses. This collapsing field induces a voltage into the secondary coil of the transformer. The secondary coil has many more turns that the primary coil and the voltage induced will be in the 10,000 to 15,000 volt range. This high voltage is needed to make the voltage jump across the air gap in the spark plug.

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Why induction type instrument canot be used for dc measurements?

Induction is a property of voltage changes, which does not occur with Direct Current devices. There are exceptions, such as the coil of an automobile, which charges up to a high voltage between ignition discharges, but the voltage supplying the coil does not vary.


What is the function of a coil?

An ignition coil (also called a spark coil) is an induction coil in a automobile's ignition system which transforms a storage battery's 12 volts to the thousands of volts needed to spark the spark plugs.This specific form of the autotransformer, together with the contact breaker, converts low voltage from a battery into the high voltage required by spark plugs in an internal combustion.source is from http://www.madabout-kitcars.com/kitcar/kb.php?aid=269


What component generates the high voltage necessary to make a spark in a vehicle?

The component that generates the high voltage necessary to make a spark in a vehicle is the ignition coil. It converts the low voltage from the battery into a much higher voltage, typically between 12,000 to 45,000 volts, which is needed to create a spark at the spark plug. This high voltage ignites the air-fuel mixture in the engine's combustion chamber, enabling the engine to run.


Can you use an ignition coil as primary transformer of Tesla coil?

yes,ignition coil can also be used to energise the Tesla coil very well ,because it is also a type of high voltage potential transformer and it can be used in manner of fly back configuration used this and I'm satisfied that it works same as other H.V t/f just there is need of little modification required to energise it and its output also i.e square wave to sinewave...


Why is primary coil in step up transformer thick?

A step up transformer converts low voltage,high amperage current to a high voltage,low amperage current. It requires large diameter wire to carry the high amperage in the primary coil.

Related Questions

How does the ignition system wire?

The ignition system wire, typically referred to as the ignition coil wire, connects the ignition coil to the spark plugs in an internal combustion engine. When the ignition switch is turned on, the battery sends voltage to the ignition coil, which transforms the low voltage into a high voltage. This high voltage then travels through the ignition wire to the spark plugs, creating a spark that ignites the air-fuel mixture in the engine's combustion chamber. Proper wiring and connections are crucial for effective ignition and engine performance.


How many volts ignition coil?

An ignition coil typically generates a high voltage of around 12,000 to 45,000 volts, depending on the vehicle and the specific coil design. The primary side of the ignition coil operates at a low voltage, usually around 12 volts from the battery, while the secondary side produces the high voltage needed to create a spark at the spark plug. This high voltage is essential for igniting the air-fuel mixture in the engine's combustion chamber.


How can 12 volts from a battery be changed to 40000 volts for ignition?

To change 12 volts from a battery to 40,000 volts for ignition, a device called a transformer or an ignition coil is used. The ignition coil steps up the low voltage from the battery to a much higher voltage through electromagnetic induction. When the coil is energized, it creates a magnetic field that collapses when the current is interrupted, inducing a high voltage in the secondary winding, which can generate the necessary voltage for igniting fuel. This high voltage is then delivered to the spark plug to create a spark for ignition.


What gives the 86 ford bronco spark?

The 1986 Ford Bronco is equipped with a spark ignition system that generates spark through its ignition coil. When the ignition key is turned, the battery sends voltage to the ignition coil, which transforms it into a high voltage. This high voltage travels through the ignition wires to the spark plugs, igniting the air-fuel mixture in the engine's cylinders. Proper functioning of components like the ignition coil, distributor, and spark plugs is essential for effective spark generation.


What does the condenser do on a distributor?

The condenser serves to enhance the spark by greatly increasing the voltage to the input of the ignition coil. It does this through a sudden electrical surge and a high frequency ringing effect, bringing the voltage as high as 300 volts for input to the coil immediately after the ignition points break.


What does a condenser do on distributor?

The condenser serves to enhance the spark by greatly increasing the voltage to the input of the ignition coil. It does this through a sudden electrical surge and a high frequency ringing effect, bringing the voltage as high as 300 volts for input to the coil immediately after the ignition points break.


In the primary ignition circuit the negative terminal on the coil is connected to?

In the primary ignition circuit, the negative terminal on the ignition coil is typically connected to the ignition control module or the ignition points in older systems. This connection allows for the grounding of the coil, which helps to create the magnetic field necessary for the coil to build up voltage. When the ignition control module or points open, the magnetic field collapses, inducing a high voltage in the secondary winding of the coil, which then sparks at the spark plug.


Where source and what parts of high voltage in ignition system of car?

The coil generates the high voltage charge which is then distributed to the spark plugs by the rotor arm in the distributor cap.


Can ignition coil cause an engine to not start?

Yes, a faulty ignition coil can prevent an engine from starting. The ignition coil is responsible for converting battery voltage into the high voltage needed to create a spark at the spark plugs. If the coil is malfunctioning, it may not produce the necessary spark, leading to misfires or a complete failure to start the engine. Other components may also contribute to starting issues, but a defective ignition coil is a common culprit.


What will a break in the ignition coil wire or cap do to voltage?

A break in the ignition coil wire or cap will disrupt the electrical circuit necessary for the ignition system to function properly. This interruption prevents the ignition coil from generating the high voltage required to create a spark at the spark plugs. As a result, the engine may fail to start or run poorly, leading to misfires or stalling. Overall, the voltage delivered to the spark plugs will be significantly reduced or nonexistent.


What is the function of the ignition Pulse coil?

The ignition pulse coil, often found in ignition systems of gasoline engines, generates a high-voltage pulse that triggers the ignition process. It converts the low voltage from the battery into a higher voltage needed to create a spark at the spark plug. This spark ignites the air-fuel mixture in the engine's combustion chamber, facilitating engine operation. In essence, the pulse coil plays a crucial role in ensuring the timing and delivery of the ignition spark.


How does power get to a 300zx coil?

Power gets to a 300ZX coil through the ignition system, which includes the ignition switch, ignition relay, and wiring harness. When the ignition key is turned, power flows from the battery through the ignition switch to the ignition relay, which then sends voltage to the coil. The engine control unit (ECU) also plays a role by controlling the timing of the spark, allowing the coil to generate a high-voltage spark needed to ignite the fuel-air mixture in the engine's cylinders.