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Thread: Physic question help

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    Junior Member highshill's Avatar
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    Exclamation Physic question help

    Explain why we sometimes get zapped by a car door handle

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    Junior Member bujolover's Avatar
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    Re: Physic question help

    Quote Originally Posted by highshill View Post
    Explain why we sometimes get zapped by a car door handle
    Taken from http://www.physics.org/article-questions.asp?id=44:

    Once you have built up a big enough static charge, an electric shock is almost inevitable. The moment you touch a conducting material such as metal, the excess electrons jump between your hand and the conductor, giving you a shock.
    Let’s take a closer look at what happens while you are in a car. As you enjoy the ride, electrons are exchanged between your clothes and the car seat, building up collections of excess charges. By the time you get out of the car, you have accumulated an overall charge, whilst the vehicle carries the opposite charge. To make things worse, the rubber car tyres and the soles of your shoes are insulators, stopping the charges from escaping to the ground. As you reach to close the metal door, electrons leap between your finger and the car… zap!

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