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Capacitor in parallel with contacts.

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16y ago

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Sparking between contacts can be reduced by inserting a?

Capacitor in parallel with contacts.


Is Sparking between contacts can be reduced by inserting a Resistance in the line?

not it will be more effective to use a capacitor in parallel...1/WC->0 as high frequency switching waves w-> inf.C provides a shrt circuit path.


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A spot welder has 2 copper contacts that compress two sheets of sheet metal. When current is applied to the contacts the steel in the sheetmetal acts as a resistor and causes enough heat to be formed that the two pieces melt together between the copper contacts.


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The buzzer work with a magnetic coil that attractes the armature thus interrupting the current. This happens repeatedly to cause the buzz. When the current is interrupted the action of the coil produces a voltage that tries to maintain the current, and that causes a spark between the switch contacts.


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Why would a circuit breaker switch spark?

A circuit breaker switch could spark due to a buildup of heat or a high level of current flowing through it. This can lead to arcing between the contacts inside the breaker, resulting in sparking. Additionally, loose connections or damage to the breaker can also cause sparking.


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