An electric cell is represented by two vertical lines of ________ lengths.

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Solution

An electric cell converts chemical energy into electrical energy.
An electric cell is represented by two lines of different lengths.
A shorter vertical line represents the cell's negative terminal.
A longer vertical line represents the cell's positive terminal.
Hence, an electric cell is represented by two vertical lines of different lengths.

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Question 8

(i) Our body is a ___ of electricity.
(ii) An electric cell produces electricity from the ___ in it.
(iii) In an electric circuit a fuse is a ___, ___ to prevent possible fire.
(iv) A combination of two more cells is called a ___.

Fill in the blanks:

(a) Longer line in the symbol for a cell represents its_________terminal.

(b) The combination of two or more cells is called a _________.

(d) The safety device based on the heating effect of electric current is called a _________.

Q. The shorter line in the symbol of a electric cell represents:

Q. Fill in the blanks
(a) Longer line in the symbols of an electric cell represents its _______terminal
(b) The combination of two or more cells is called a _____
(c) When current is switched 'ON' in a room heater, it ________
(d) ________ is a safety device based on the heating effect of electric current.

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