Static Electricity

These flashcards cover key concepts regarding static electricity, methods of charging, and the effects of electricity in nature.

Electricity at rest is known as __.static electricity

Static electricity electricity in rest is called static electricity

The Greek word from which 'electricity' is derived is __.elektron

elektron.

When a glass rod is rubbed with silk, it acquires a positive__ charge.

positive.

Substances that can be charged by rubbing are and .insulators

insulators; isolated conductors.

Like charges repel each other, while unlike charges attract each other.

repel; attract.

An object that possesses electric charge is called a _charged_ body.

charged.

The charge conservation principle states that the total charge before and after rubbing _remains the same_.

remains the same.

The two kinds of electric charges are and . positive and negetive

positive; negative.

Conductors allow electricity to flow due to the presence of __free electron.

free electrons.

To charge a conductor by conduction, it must come in contact __ with a charged body.

contact.

The method of charging a conductor without touching is called _inductio .

induction.

The device used to detect the presence and nature of charge on a body is called an _electroscooe_.

electroscope.

When a charged body comes in proximity to an electroscope, it can cause the leaves to _diverges_ if the body is charged.

diverge.

During a thunderstorm, clouds can acquire an electric charge due to _friction_.

friction.

Lightning is a discharge of _electricity_ that occurs between charged clouds or between a cloud and the Earth.

electricity.

A __lightining conductor protects buildings from lightning by directing the charge into the ground.

lightning. It protects building