9.4 Flashcards

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1
Q

why do we use electric circuits?

A

electric circuits are quicker and easier to draw then realistic pictures of components

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2
Q

what is a dry cell

A

A dry cell is one type of electric battery, which is generally used for the home and portable electronic devices. A battery is a device that consists of one or more electrochemical cells, which converts chemical energy into electrical energy. A dry cell is an electrochemical cell consisting of low moisture immobilized electrolytes in the form of a paste, which restricts it from flowing. Due to this, it is easily transportable.

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3
Q

what is a battery

A

a battery is an electrical energy source consisting of 2 or more cells connected togethar

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4
Q

what is a cell

A

A cell is a single unit device which converts chemical energy into electric energy. A battery usually consists of group of cells.

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5
Q

do electric currents flow through insulators?

A

no they only flow through conductors

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6
Q

name the only non metal which conducts electricty

A

carbon

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